Finding the Fourth Proportional to 112,322.33, 155,003.87 and 62,020.25

Step by Step Solution

1. Step 1: Write the proportion equation
   112,322.33 : 155,003.87 = 62,020.25 : x
2. Step 2: Convert to fraction form
   112,322.33/155,003.87 = 62,020.25/x
3. Step 3: Cross multiply
   112,322.33x = 155,003.87 × 62,020.25
4. Step 4: Simplify right side
   112,322.33x = 9,613,378,458.27
5. Step 5: Solve for x
   x = 9,613,378,458.27/112,322.33
6. Step 6: Final answer
   x = 85,587.42