Finding the Fourth Proportional to 112,937.29, 155,858.34 and 67,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,937.29 : 155,858.34 = 67,606.50 : x
2. Step 2: Convert to fraction form
   112,937.29/155,858.34 = 67,606.50/x
3. Step 3: Cross multiply
   112,937.29x = 155,858.34 × 67,606.50
4. Step 4: Simplify right side
   112,937.29x = 10,537,036,824.50
5. Step 5: Solve for x
   x = 10,537,036,824.50/112,937.29
6. Step 6: Final answer
   x = 93,299.89