Finding the Fourth Proportional to 112,937.79, 155,859.04 and 67,607

Step by Step Solution

1. Step 1: Write the proportion equation
   112,937.79 : 155,859.04 = 67,607 : x
2. Step 2: Convert to fraction form
   112,937.79/155,859.04 = 67,607/x
3. Step 3: Cross multiply
   112,937.79x = 155,859.04 × 67,607
4. Step 4: Simplify right side
   112,937.79x = 10,537,161,779.25
5. Step 5: Solve for x
   x = 10,537,161,779.25/112,937.79
6. Step 6: Final answer
   x = 93,300.58