Finding the Fourth Proportional to 88,061.30, 121,524.63 and 47,775.05

Step by Step Solution

1. Step 1: Write the proportion equation
   88,061.30 : 121,524.63 = 47,775.05 : x
2. Step 2: Convert to fraction form
   88,061.30/121,524.63 = 47,775.05/x
3. Step 3: Cross multiply
   88,061.30x = 121,524.63 × 47,775.05
4. Step 4: Simplify right side
   88,061.30x = 5,805,844,666.86
5. Step 5: Solve for x
   x = 5,805,844,666.86/88,061.30
6. Step 6: Final answer
   x = 65,929.59