Finding the Fourth Proportional to 69,870.18, 104,821.53 and 19,950.96

Step by Step Solution

1. Step 1: Write the proportion equation
   69,870.18 : 104,821.53 = 19,950.96 : x
2. Step 2: Convert to fraction form
   69,870.18/104,821.53 = 19,950.96/x
3. Step 3: Cross multiply
   69,870.18x = 104,821.53 × 19,950.96
4. Step 4: Simplify right side
   69,870.18x = 2,091,290,152.17
5. Step 5: Solve for x
   x = 2,091,290,152.17/69,870.18
6. Step 6: Final answer
   x = 29,931.08