Finding the Fourth Proportional to 76,470.61, 105,500.00 and 56,375.27

Step by Step Solution

1. Step 1: Write the proportion equation
   76,470.61 : 105,500.00 = 56,375.27 : x
2. Step 2: Convert to fraction form
   76,470.61/105,500.00 = 56,375.27/x
3. Step 3: Cross multiply
   76,470.61x = 105,500.00 × 56,375.27
4. Step 4: Simplify right side
   76,470.61x = 5,947,590,703.12
5. Step 5: Solve for x
   x = 5,947,590,703.12/76,470.61
6. Step 6: Final answer
   x = 77,776.17