Finding the Fourth Proportional to 112,792.90, 155,643.86 and 65,037.02

Step by Step Solution

1. Step 1: Write the proportion equation
   112,792.90 : 155,643.86 = 65,037.02 : x
2. Step 2: Convert to fraction form
   112,792.90/155,643.86 = 65,037.02/x
3. Step 3: Cross multiply
   112,792.90x = 155,643.86 × 65,037.02
4. Step 4: Simplify right side
   112,792.90x = 10,122,612,835.70
5. Step 5: Solve for x
   x = 10,122,612,835.70/112,792.90
6. Step 6: Final answer
   x = 89,745.12