Finding the Fourth Proportional to 111,119.47, 153,343.69 and 60,131.08

Step by Step Solution

1. Step 1: Write the proportion equation
   111,119.47 : 153,343.69 = 60,131.08 : x
2. Step 2: Convert to fraction form
   111,119.47/153,343.69 = 60,131.08/x
3. Step 3: Cross multiply
   111,119.47x = 153,343.69 × 60,131.08
4. Step 4: Simplify right side
   111,119.47x = 9,220,721,690.89
5. Step 5: Solve for x
   x = 9,220,721,690.89/111,119.47
6. Step 6: Final answer
   x = 82,980.25