Finding the Fourth Proportional to 112,938.29, 155,859.73 and 67,607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,938.29 : 155,859.73 = 67,607.50 : x
2. Step 2: Convert to fraction form
   112,938.29/155,859.73 = 67,607.50/x
3. Step 3: Cross multiply
   112,938.29x = 155,859.73 × 67,607.50
4. Step 4: Simplify right side
   112,938.29x = 10,537,286,357.94
5. Step 5: Solve for x
   x = 10,537,286,357.94/112,938.29
6. Step 6: Final answer
   x = 93,301.27