Finding the Fourth Proportional to 83,386.99, 115,073.20 and 45,145.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,386.99 : 115,073.20 = 45,145.52 : x
2. Step 2: Convert to fraction form
   83,386.99/115,073.20 = 45,145.52/x
3. Step 3: Cross multiply
   83,386.99x = 115,073.20 × 45,145.52
4. Step 4: Simplify right side
   83,386.99x = 5,195,039,626.88
5. Step 5: Solve for x
   x = 5,195,039,626.88/83,386.99
6. Step 6: Final answer
   x = 62,300.36