Finding the Fourth Proportional to 392,092.47, 588,146.01 and 111,617.01

Step by Step Solution

1. Step 1: Write the proportion equation
   392,092.47 : 588,146.01 = 111,617.01 : x
2. Step 2: Convert to fraction form
   392,092.47/588,146.01 = 111,617.01/x
3. Step 3: Cross multiply
   392,092.47x = 588,146.01 × 111,617.01
4. Step 4: Simplify right side
   392,092.47x = 65,647,099,079.63
5. Step 5: Solve for x
   x = 65,647,099,079.63/392,092.47
6. Step 6: Final answer
   x = 167,427.59