Finding the Fourth Proportional to 74,046.71, 102,078.18 and 52,789.07

Step by Step Solution

1. Step 1: Write the proportion equation
   74,046.71 : 102,078.18 = 52,789.07 : x
2. Step 2: Convert to fraction form
   74,046.71/102,078.18 = 52,789.07/x
3. Step 3: Cross multiply
   74,046.71x = 102,078.18 × 52,789.07
4. Step 4: Simplify right side
   74,046.71x = 5,388,611,670.35
5. Step 5: Solve for x
   x = 5,388,611,670.35/74,046.71
6. Step 6: Final answer
   x = 72,773.14