Finding the Fourth Proportional to 23,101,123,231.98, 31,879,737,240.99 and 12,801,390,219.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,101,123,231.98 : 31,879,737,240.99 = 12,801,390,219.69 : x
2. Step 2: Convert to fraction form
   23,101,123,231.98/31,879,737,240.99 = 12,801,390,219.69/x
3. Step 3: Cross multiply
   23,101,123,231.98x = 31,879,737,240.99 × 12,801,390,219.69
4. Step 4: Simplify right side
   23,101,123,231.98x = 408,104,956,523,096,506,368
5. Step 5: Solve for x
   x = 408,104,956,523,096,506,368/23,101,123,231.98
6. Step 6: Final answer
   x = 17,666,022,228.66