Finding the Fourth Proportional to 23,118,068.52, 31,902,933.99 and 12,805,455.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,118,068.52 : 31,902,933.99 = 12,805,455.92 : x
2. Step 2: Convert to fraction form
   23,118,068.52/31,902,933.99 = 12,805,455.92/x
3. Step 3: Cross multiply
   23,118,068.52x = 31,902,933.99 × 12,805,455.92
4. Step 4: Simplify right side
   23,118,068.52x = 408,531,614,847,857.38
5. Step 5: Solve for x
   x = 408,531,614,847,857.38/23,118,068.52
6. Step 6: Final answer
   x = 17,671,528.85