Finding the Fourth Proportional to 112,667.15, 155,470.01 and 67,336.13

Step by Step Solution

1. Step 1: Write the proportion equation
   112,667.15 : 155,470.01 = 67,336.13 : x
2. Step 2: Convert to fraction form
   112,667.15/155,470.01 = 67,336.13/x
3. Step 3: Cross multiply
   112,667.15x = 155,470.01 × 67,336.13
4. Step 4: Simplify right side
   112,667.15x = 10,468,747,690.43
5. Step 5: Solve for x
   x = 10,468,747,690.43/112,667.15
6. Step 6: Final answer
   x = 92,917.48