Finding the Fourth Proportional to 76,107.37, 105,024.46 and 42,115.25

Step by Step Solution

1. Step 1: Write the proportion equation
   76,107.37 : 105,024.46 = 42,115.25 : x
2. Step 2: Convert to fraction form
   76,107.37/105,024.46 = 42,115.25/x
3. Step 3: Cross multiply
   76,107.37x = 105,024.46 × 42,115.25
4. Step 4: Simplify right side
   76,107.37x = 4,423,131,389.02
5. Step 5: Solve for x
   x = 4,423,131,389.02/76,107.37
6. Step 6: Final answer
   x = 58,116.99