Finding the Fourth Proportional to 83,398.87, 115,061.88 and 47,563.12

Step by Step Solution

1. Step 1: Write the proportion equation
   83,398.87 : 115,061.88 = 47,563.12 : x
2. Step 2: Convert to fraction form
   83,398.87/115,061.88 = 47,563.12/x
3. Step 3: Cross multiply
   83,398.87x = 115,061.88 × 47,563.12
4. Step 4: Simplify right side
   83,398.87x = 5,472,702,005.87
5. Step 5: Solve for x
   x = 5,472,702,005.87/83,398.87
6. Step 6: Final answer
   x = 65,620.82