Finding the Fourth Proportional to 111,031.50, 153,225.90 and 60,730.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,031.50 : 153,225.90 = 60,730.50 : x
2. Step 2: Convert to fraction form
   111,031.50/153,225.90 = 60,730.50/x
3. Step 3: Cross multiply
   111,031.50x = 153,225.90 × 60,730.50
4. Step 4: Simplify right side
   111,031.50x = 9,305,485,519.95
5. Step 5: Solve for x
   x = 9,305,485,519.95/111,031.50
6. Step 6: Final answer
   x = 83,809.42