Finding the Fourth Proportional to 76,577.48, 105,683.52 and 42,592.64

Step by Step Solution

1. Step 1: Write the proportion equation
   76,577.48 : 105,683.52 = 42,592.64 : x
2. Step 2: Convert to fraction form
   76,577.48/105,683.52 = 42,592.64/x
3. Step 3: Cross multiply
   76,577.48x = 105,683.52 × 42,592.64
4. Step 4: Simplify right side
   76,577.48x = 4,501,340,121.29
5. Step 5: Solve for x
   x = 4,501,340,121.29/76,577.48
6. Step 6: Final answer
   x = 58,781.51