Finding the Fourth Proportional to 76,462.18, 105,514.22 and 42,472.86

Step by Step Solution

1. Step 1: Write the proportion equation
   76,462.18 : 105,514.22 = 42,472.86 : x
2. Step 2: Convert to fraction form
   76,462.18/105,514.22 = 42,472.86/x
3. Step 3: Cross multiply
   76,462.18x = 105,514.22 × 42,472.86
4. Step 4: Simplify right side
   76,462.18x = 4,481,490,694.07
5. Step 5: Solve for x
   x = 4,481,490,694.07/76,462.18
6. Step 6: Final answer
   x = 58,610.55