Finding the Fourth Proportional to 88,111.35, 121,593.78 and 47,825.12

Step by Step Solution

1. Step 1: Write the proportion equation
   88,111.35 : 121,593.78 = 47,825.12 : x
2. Step 2: Convert to fraction form
   88,111.35/121,593.78 = 47,825.12/x
3. Step 3: Cross multiply
   88,111.35x = 121,593.78 × 47,825.12
4. Step 4: Simplify right side
   88,111.35x = 5,815,236,978.02
5. Step 5: Solve for x
   x = 5,815,236,978.02/88,111.35
6. Step 6: Final answer
   x = 65,998.73