Finding the Fourth Proportional to 109,123.29, 150,577.95 and 61,375.61

Step by Step Solution

1. Step 1: Write the proportion equation
   109,123.29 : 150,577.95 = 61,375.61 : x
2. Step 2: Convert to fraction form
   109,123.29/150,577.95 = 61,375.61/x
3. Step 3: Cross multiply
   109,123.29x = 150,577.95 × 61,375.61
4. Step 4: Simplify right side
   109,123.29x = 9,241,813,533.80
5. Step 5: Solve for x
   x = 9,241,813,533.80/109,123.29
6. Step 6: Final answer
   x = 84,691.49