Finding the Fourth Proportional to 76,853.81, 106,058.06 and 42,862.34

Step by Step Solution

1. Step 1: Write the proportion equation
   76,853.81 : 106,058.06 = 42,862.34 : x
2. Step 2: Convert to fraction form
   76,853.81/106,058.06 = 42,862.34/x
3. Step 3: Cross multiply
   76,853.81x = 106,058.06 × 42,862.34
4. Step 4: Simplify right side
   76,853.81x = 4,545,895,882.86
5. Step 5: Solve for x
   x = 4,545,895,882.86/76,853.81
6. Step 6: Final answer
   x = 59,149.91