Finding the Fourth Proportional to 83,379.72, 115,070.60 and 47,561.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,379.72 : 115,070.60 = 47,561.52 : x
2. Step 2: Convert to fraction form
   83,379.72/115,070.60 = 47,561.52/x
3. Step 3: Cross multiply
   83,379.72x = 115,070.60 × 47,561.52
4. Step 4: Simplify right side
   83,379.72x = 5,472,932,643.31
5. Step 5: Solve for x
   x = 5,472,932,643.31/83,379.72
6. Step 6: Final answer
   x = 65,638.65