Finding the Fourth Proportional to 112,942.52, 155,834.54 and 67,603.28

Step by Step Solution

1. Step 1: Write the proportion equation
   112,942.52 : 155,834.54 = 67,603.28 : x
2. Step 2: Convert to fraction form
   112,942.52/155,834.54 = 67,603.28/x
3. Step 3: Cross multiply
   112,942.52x = 155,834.54 × 67,603.28
4. Step 4: Simplify right side
   112,942.52x = 10,534,924,924.10
5. Step 5: Solve for x
   x = 10,534,924,924.10/112,942.52
6. Step 6: Final answer
   x = 93,276.88