Finding the Fourth Proportional to 74,845.96, 103,111.98 and 52,143.89

Step by Step Solution

1. Step 1: Write the proportion equation
   74,845.96 : 103,111.98 = 52,143.89 : x
2. Step 2: Convert to fraction form
   74,845.96/103,111.98 = 52,143.89/x
3. Step 3: Cross multiply
   74,845.96x = 103,111.98 × 52,143.89
4. Step 4: Simplify right side
   74,845.96x = 5,376,659,742.80
5. Step 5: Solve for x
   x = 5,376,659,742.80/74,845.96
6. Step 6: Final answer
   x = 71,836.34