Finding the Fourth Proportional to 112,443.50, 155,169.95 and 62,141.42

Step by Step Solution

1. Step 1: Write the proportion equation
   112,443.50 : 155,169.95 = 62,141.42 : x
2. Step 2: Convert to fraction form
   112,443.50/155,169.95 = 62,141.42/x
3. Step 3: Cross multiply
   112,443.50x = 155,169.95 × 62,141.42
4. Step 4: Simplify right side
   112,443.50x = 9,642,481,034.33
5. Step 5: Solve for x
   x = 9,642,481,034.33/112,443.50
6. Step 6: Final answer
   x = 85,754.01