Finding the Fourth Proportional to 88,061.36, 121,524.72 and 47,775.11

Step by Step Solution

1. Step 1: Write the proportion equation
   88,061.36 : 121,524.72 = 47,775.11 : x
2. Step 2: Convert to fraction form
   88,061.36/121,524.72 = 47,775.11/x
3. Step 3: Cross multiply
   88,061.36x = 121,524.72 × 47,775.11
4. Step 4: Simplify right side
   88,061.36x = 5,805,856,865.72
5. Step 5: Solve for x
   x = 5,805,856,865.72/88,061.36
6. Step 6: Final answer
   x = 65,929.68