Finding the Fourth Proportional to 111,412.47, 153,748.51 and 60,426.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,412.47 : 153,748.51 = 60,426.42 : x
2. Step 2: Convert to fraction form
   111,412.47/153,748.51 = 60,426.42/x
3. Step 3: Cross multiply
   111,412.47x = 153,748.51 × 60,426.42
4. Step 4: Simplify right side
   111,412.47x = 9,290,471,651.91
5. Step 5: Solve for x
   x = 9,290,471,651.91/111,412.47
6. Step 6: Final answer
   x = 83,388.07