Finding the Fourth Proportional to 112,832.59, 155,667.75 and 67,511.86

Step by Step Solution

1. Step 1: Write the proportion equation
   112,832.59 : 155,667.75 = 67,511.86 : x
2. Step 2: Convert to fraction form
   112,832.59/155,667.75 = 67,511.86/x
3. Step 3: Cross multiply
   112,832.59x = 155,667.75 × 67,511.86
4. Step 4: Simplify right side
   112,832.59x = 10,509,419,344.52
5. Step 5: Solve for x
   x = 10,509,419,344.52/112,832.59
6. Step 6: Final answer
   x = 93,141.70