Finding the Fourth Proportional to 56,577.61, 78,068.43 and 32,699.68

Step by Step Solution

1. Step 1: Write the proportion equation
   56,577.61 : 78,068.43 = 32,699.68 : x
2. Step 2: Convert to fraction form
   56,577.61/78,068.43 = 32,699.68/x
3. Step 3: Cross multiply
   56,577.61x = 78,068.43 × 32,699.68
4. Step 4: Simplify right side
   56,577.61x = 2,552,812,679.10
5. Step 5: Solve for x
   x = 2,552,812,679.10/56,577.61
6. Step 6: Final answer
   x = 45,120.55