Finding the Fourth Proportional to 112,923.72, 155,834.82 and 62,623.08

Step by Step Solution

1. Step 1: Write the proportion equation
   112,923.72 : 155,834.82 = 62,623.08 : x
2. Step 2: Convert to fraction form
   112,923.72/155,834.82 = 62,623.08/x
3. Step 3: Cross multiply
   112,923.72x = 155,834.82 × 62,623.08
4. Step 4: Simplify right side
   112,923.72x = 9,758,856,399.65
5. Step 5: Solve for x
   x = 9,758,856,399.65/112,923.72
6. Step 6: Final answer
   x = 86,419.90