Finding the Fourth Proportional to 88,066.24, 121,531.89 and 47,780.08

Step by Step Solution

1. Step 1: Write the proportion equation
   88,066.24 : 121,531.89 = 47,780.08 : x
2. Step 2: Convert to fraction form
   88,066.24/121,531.89 = 47,780.08/x
3. Step 3: Cross multiply
   88,066.24x = 121,531.89 × 47,780.08
4. Step 4: Simplify right side
   88,066.24x = 5,806,803,302.10
5. Step 5: Solve for x
   x = 5,806,803,302.10/88,066.24
6. Step 6: Final answer
   x = 65,936.77