Finding the Fourth Proportional to 112,792.66, 155,643.53 and 65,036.79

Step by Step Solution

1. Step 1: Write the proportion equation
   112,792.66 : 155,643.53 = 65,036.79 : x
2. Step 2: Convert to fraction form
   112,792.66/155,643.53 = 65,036.79/x
3. Step 3: Cross multiply
   112,792.66x = 155,643.53 × 65,036.79
4. Step 4: Simplify right side
   112,792.66x = 10,122,555,250.28
5. Step 5: Solve for x
   x = 10,122,555,250.28/112,792.66
6. Step 6: Final answer
   x = 89,744.81