Finding the Fourth Proportional to 56,930.23, 78,532.71 and 34,255.57

Step by Step Solution

1. Step 1: Write the proportion equation
   56,930.23 : 78,532.71 = 34,255.57 : x
2. Step 2: Convert to fraction form
   56,930.23/78,532.71 = 34,255.57/x
3. Step 3: Cross multiply
   56,930.23x = 78,532.71 × 34,255.57
4. Step 4: Simplify right side
   56,930.23x = 2,690,182,744.69
5. Step 5: Solve for x
   x = 2,690,182,744.69/56,930.23
6. Step 6: Final answer
   x = 47,254.03