Finding the Fourth Proportional to 112,983.60, 155,931.18 and 65,236.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112,983.60 : 155,931.18 = 65,236.82 : x
2. Step 2: Convert to fraction form
   112,983.60/155,931.18 = 65,236.82/x
3. Step 3: Cross multiply
   112,983.60x = 155,931.18 × 65,236.82
4. Step 4: Simplify right side
   112,983.60x = 10,172,454,322.05
5. Step 5: Solve for x
   x = 10,172,454,322.05/112,983.60
6. Step 6: Final answer
   x = 90,034.79