Finding the Fourth Proportional to 57,093.91, 78,789.76 and 31,602.04

Step by Step Solution

1. Step 1: Write the proportion equation
   57,093.91 : 78,789.76 = 31,602.04 : x
2. Step 2: Convert to fraction form
   57,093.91/78,789.76 = 31,602.04/x
3. Step 3: Cross multiply
   57,093.91x = 78,789.76 × 31,602.04
4. Step 4: Simplify right side
   57,093.91x = 2,489,917,147.11
5. Step 5: Solve for x
   x = 2,489,917,147.11/57,093.91
6. Step 6: Final answer
   x = 43,610.91