Finding the Fourth Proportional to 83,429.03, 115,131.49 and 45,187.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,429.03 : 115,131.49 = 45,187.72 : x
2. Step 2: Convert to fraction form
   83,429.03/115,131.49 = 45,187.72/x
3. Step 3: Cross multiply
   83,429.03x = 115,131.49 × 45,187.72
4. Step 4: Simplify right side
   83,429.03x = 5,202,529,132.50
5. Step 5: Solve for x
   x = 5,202,529,132.50/83,429.03
6. Step 6: Final answer
   x = 62,358.74