Finding the Fourth Proportional to 56,793.29, 78,375.27 and 31,300.57

Step by Step Solution

1. Step 1: Write the proportion equation
   56,793.29 : 78,375.27 = 31,300.57 : x
2. Step 2: Convert to fraction form
   56,793.29/78,375.27 = 31,300.57/x
3. Step 3: Cross multiply
   56,793.29x = 78,375.27 × 31,300.57
4. Step 4: Simplify right side
   56,793.29x = 2,453,190,624.90
5. Step 5: Solve for x
   x = 2,453,190,624.90/56,793.29
6. Step 6: Final answer
   x = 43,195.08