Finding the Fourth Proportional to 112,984.60, 155,932.56 and 65,237.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112,984.60 : 155,932.56 = 65,237.82 : x
2. Step 2: Convert to fraction form
   112,984.60/155,932.56 = 65,237.82/x
3. Step 3: Cross multiply
   112,984.60x = 155,932.56 × 65,237.82
4. Step 4: Simplify right side
   112,984.60x = 10,172,700,281.42
5. Step 5: Solve for x
   x = 10,172,700,281.42/112,984.60
6. Step 6: Final answer
   x = 90,036.17