Finding the Fourth Proportional to 57,662.86, 79,483.80 and 42,506.96

Step by Step Solution

1. Step 1: Write the proportion equation
   57,662.86 : 79,483.80 = 42,506.96 : x
2. Step 2: Convert to fraction form
   57,662.86/79,483.80 = 42,506.96/x
3. Step 3: Cross multiply
   57,662.86x = 79,483.80 × 42,506.96
4. Step 4: Simplify right side
   57,662.86x = 3,378,614,707.25
5. Step 5: Solve for x
   x = 3,378,614,707.25/57,662.86
6. Step 6: Final answer
   x = 58,592.56