Finding the Fourth Proportional to 83,588.10, 115,353.98 and 47,782.86

Step by Step Solution

1. Step 1: Write the proportion equation
   83,588.10 : 115,353.98 = 47,782.86 : x
2. Step 2: Convert to fraction form
   83,588.10/115,353.98 = 47,782.86/x
3. Step 3: Cross multiply
   83,588.10x = 115,353.98 × 47,782.86
4. Step 4: Simplify right side
   83,588.10x = 5,511,943,076.78
5. Step 5: Solve for x
   x = 5,511,943,076.78/83,588.10
6. Step 6: Final answer
   x = 65,941.72