Finding the Fourth Proportional to 56,604.72, 78,115.33 and 31,113.44

Step by Step Solution

1. Step 1: Write the proportion equation
   56,604.72 : 78,115.33 = 31,113.44 : x
2. Step 2: Convert to fraction form
   56,604.72/78,115.33 = 31,113.44/x
3. Step 3: Cross multiply
   56,604.72x = 78,115.33 × 31,113.44
4. Step 4: Simplify right side
   56,604.72x = 2,430,436,672.76
5. Step 5: Solve for x
   x = 2,430,436,672.76/56,604.72
6. Step 6: Final answer
   x = 42,937.00