Finding the Fourth Proportional to 74,443.25, 102,747.89 and 45,787.55

Step by Step Solution

1. Step 1: Write the proportion equation
   74,443.25 : 102,747.89 = 45,787.55 : x
2. Step 2: Convert to fraction form
   74,443.25/102,747.89 = 45,787.55/x
3. Step 3: Cross multiply
   74,443.25x = 102,747.89 × 45,787.55
4. Step 4: Simplify right side
   74,443.25x = 4,704,573,751.50
5. Step 5: Solve for x
   x = 4,704,573,751.50/74,443.25
6. Step 6: Final answer
   x = 63,196.78