Finding the Fourth Proportional to 83,653.40, 115,443.72 and 45,414.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,653.40 : 115,443.72 = 45,414.52 : x
2. Step 2: Convert to fraction form
   83,653.40/115,443.72 = 45,414.52/x
3. Step 3: Cross multiply
   83,653.40x = 115,443.72 × 45,414.52
4. Step 4: Simplify right side
   83,653.40x = 5,242,821,130.81
5. Step 5: Solve for x
   x = 5,242,821,130.81/83,653.40
6. Step 6: Final answer
   x = 62,673.14