Finding the Fourth Proportional to 81,038.53, 111,839.50 and 45,233.91

Step by Step Solution

1. Step 1: Write the proportion equation
   81,038.53 : 111,839.50 = 45,233.91 : x
2. Step 2: Convert to fraction form
   81,038.53/111,839.50 = 45,233.91/x
3. Step 3: Cross multiply
   81,038.53x = 111,839.50 × 45,233.91
4. Step 4: Simplify right side
   81,038.53x = 5,058,937,877.45
5. Step 5: Solve for x
   x = 5,058,937,877.45/81,038.53
6. Step 6: Final answer
   x = 62,426.33