Finding the Fourth Proportional to 112,648.71, 155,444.67 and 67,317.69

Step by Step Solution

1. Step 1: Write the proportion equation
   112,648.71 : 155,444.67 = 67,317.69 : x
2. Step 2: Convert to fraction form
   112,648.71/155,444.67 = 67,317.69/x
3. Step 3: Cross multiply
   112,648.71x = 155,444.67 × 67,317.69
4. Step 4: Simplify right side
   112,648.71x = 10,464,176,107.21
5. Step 5: Solve for x
   x = 10,464,176,107.21/112,648.71
6. Step 6: Final answer
   x = 92,892.11