Finding the Fourth Proportional to 83,064.96, 124,629.12 and 35,690.40

Step by Step Solution

1. Step 1: Write the proportion equation
   83,064.96 : 124,629.12 = 35,690.40 : x
2. Step 2: Convert to fraction form
   83,064.96/124,629.12 = 35,690.40/x
3. Step 3: Cross multiply
   83,064.96x = 124,629.12 × 35,690.40
4. Step 4: Simplify right side
   83,064.96x = 4,448,063,144.45
5. Step 5: Solve for x
   x = 4,448,063,144.45/83,064.96
6. Step 6: Final answer
   x = 53,549.21