Finding the Fourth Proportional to 174,333.98, 261,641.10 and 90,118.92

Step by Step Solution

1. Step 1: Write the proportion equation
   174,333.98 : 261,641.10 = 90,118.92 : x
2. Step 2: Convert to fraction form
   174,333.98/261,641.10 = 90,118.92/x
3. Step 3: Cross multiply
   174,333.98x = 261,641.10 × 90,118.92
4. Step 4: Simplify right side
   174,333.98x = 23,578,813,359.61
5. Step 5: Solve for x
   x = 23,578,813,359.61/174,333.98
6. Step 6: Final answer
   x = 135,250.82