Finding the Fourth Proportional to 83,607.89, 115,379.10 and 47,798.87

Step by Step Solution

1. Step 1: Write the proportion equation
   83,607.89 : 115,379.10 = 47,798.87 : x
2. Step 2: Convert to fraction form
   83,607.89/115,379.10 = 47,798.87/x
3. Step 3: Cross multiply
   83,607.89x = 115,379.10 × 47,798.87
4. Step 4: Simplify right side
   83,607.89x = 5,514,990,024.72
5. Step 5: Solve for x
   x = 5,514,990,024.72/83,607.89
6. Step 6: Final answer
   x = 65,962.56