Finding the Fourth Proportional to 111,043.12, 153,243.16 and 60,742.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,043.12 : 153,243.16 = 60,742.16 : x
2. Step 2: Convert to fraction form
   111,043.12/153,243.16 = 60,742.16/x
3. Step 3: Cross multiply
   111,043.12x = 153,243.16 × 60,742.16
4. Step 4: Simplify right side
   111,043.12x = 9,308,320,543.63
5. Step 5: Solve for x
   x = 9,308,320,543.63/111,043.12
6. Step 6: Final answer
   x = 83,826.18