Finding the Fourth Proportional to 56,224.76, 77,587.98 and 31,073.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,224.76 : 77,587.98 = 31,073.72 : x
2. Step 2: Convert to fraction form
   56,224.76/77,587.98 = 31,073.72/x
3. Step 3: Cross multiply
   56,224.76x = 77,587.98 × 31,073.72
4. Step 4: Simplify right side
   56,224.76x = 2,410,947,165.89
5. Step 5: Solve for x
   x = 2,410,947,165.89/56,224.76
6. Step 6: Final answer
   x = 42,880.52