Finding the Fourth Proportional to 56,025.50, 77,316.81 and 30,876.62

Step by Step Solution

1. Step 1: Write the proportion equation
   56,025.50 : 77,316.81 = 30,876.62 : x
2. Step 2: Convert to fraction form
   56,025.50/77,316.81 = 30,876.62/x
3. Step 3: Cross multiply
   56,025.50x = 77,316.81 × 30,876.62
4. Step 4: Simplify right side
   56,025.50x = 2,387,281,761.98
5. Step 5: Solve for x
   x = 2,387,281,761.98/56,025.50
6. Step 6: Final answer
   x = 42,610.63