Finding the Fourth Proportional to 56,432.17, 84,753.61 and 49,680.15

Step by Step Solution

1. Step 1: Write the proportion equation
   56,432.17 : 84,753.61 = 49,680.15 : x
2. Step 2: Convert to fraction form
   56,432.17/84,753.61 = 49,680.15/x
3. Step 3: Cross multiply
   56,432.17x = 84,753.61 × 49,680.15
4. Step 4: Simplify right side
   56,432.17x = 4,210,571,615.82
5. Step 5: Solve for x
   x = 4,210,571,615.82/56,432.17
6. Step 6: Final answer
   x = 74,612.96