Finding the Fourth Proportional to 83,443.87, 115,151.65 and 45,718.03

Step by Step Solution

1. Step 1: Write the proportion equation
   83,443.87 : 115,151.65 = 45,718.03 : x
2. Step 2: Convert to fraction form
   83,443.87/115,151.65 = 45,718.03/x
3. Step 3: Cross multiply
   83,443.87x = 115,151.65 × 45,718.03
4. Step 4: Simplify right side
   83,443.87x = 5,264,506,589.25
5. Step 5: Solve for x
   x = 5,264,506,589.25/83,443.87
6. Step 6: Final answer
   x = 63,090.39