Finding the Fourth Proportional to 112,989.79, 155,925.48 and 62,003.37

Step by Step Solution

1. Step 1: Write the proportion equation
   112,989.79 : 155,925.48 = 62,003.37 : x
2. Step 2: Convert to fraction form
   112,989.79/155,925.48 = 62,003.37/x
3. Step 3: Cross multiply
   112,989.79x = 155,925.48 × 62,003.37
4. Step 4: Simplify right side
   112,989.79x = 9,667,906,046.10
5. Step 5: Solve for x
   x = 9,667,906,046.10/112,989.79
6. Step 6: Final answer
   x = 85,564.42