Finding the Fourth Proportional to 112,792.29, 155,643 and 65,036.41

Step by Step Solution

1. Step 1: Write the proportion equation
   112,792.29 : 155,643 = 65,036.41 : x
2. Step 2: Convert to fraction form
   112,792.29/155,643 = 65,036.41/x
3. Step 3: Cross multiply
   112,792.29x = 155,643 × 65,036.41
4. Step 4: Simplify right side
   112,792.29x = 10,122,461,961.63
5. Step 5: Solve for x
   x = 10,122,461,961.63/112,792.29
6. Step 6: Final answer
   x = 89,744.27