Finding the Fourth Proportional to 57,085.02, 78,779.52 and 31,934.52

Step by Step Solution

1. Step 1: Write the proportion equation
   57,085.02 : 78,779.52 = 31,934.52 : x
2. Step 2: Convert to fraction form
   57,085.02/78,779.52 = 31,934.52/x
3. Step 3: Cross multiply
   57,085.02x = 78,779.52 × 31,934.52
4. Step 4: Simplify right side
   57,085.02x = 2,515,786,157.03
5. Step 5: Solve for x
   x = 2,515,786,157.03/57,085.02
6. Step 6: Final answer
   x = 44,070.86