Finding the Fourth Proportional to 113,019.21, 155,966.72 and 62,032.28

Step by Step Solution

1. Step 1: Write the proportion equation
   113,019.21 : 155,966.72 = 62,032.28 : x
2. Step 2: Convert to fraction form
   113,019.21/155,966.72 = 62,032.28/x
3. Step 3: Cross multiply
   113,019.21x = 155,966.72 × 62,032.28
4. Step 4: Simplify right side
   113,019.21x = 9,674,970,155.73
5. Step 5: Solve for x
   x = 9,674,970,155.73/113,019.21
6. Step 6: Final answer
   x = 85,604.65