Finding the Fourth Proportional to 76,508.08, 105,574.42 and 42,514.40

Step by Step Solution

1. Step 1: Write the proportion equation
   76,508.08 : 105,574.42 = 42,514.40 : x
2. Step 2: Convert to fraction form
   76,508.08/105,574.42 = 42,514.40/x
3. Step 3: Cross multiply
   76,508.08x = 105,574.42 × 42,514.40
4. Step 4: Simplify right side
   76,508.08x = 4,488,433,438.73
5. Step 5: Solve for x
   x = 4,488,433,438.73/76,508.08
6. Step 6: Final answer
   x = 58,666.14