Finding the Fourth Proportional to 124,315.78, 186,636.28 and 73,807.02

Step by Step Solution

1. Step 1: Write the proportion equation
   124,315.78 : 186,636.28 = 73,807.02 : x
2. Step 2: Convert to fraction form
   124,315.78/186,636.28 = 73,807.02/x
3. Step 3: Cross multiply
   124,315.78x = 186,636.28 × 73,807.02
4. Step 4: Simplify right side
   124,315.78x = 13,775,067,650.69
5. Step 5: Solve for x
   x = 13,775,067,650.69/124,315.78
6. Step 6: Final answer
   x = 110,807.07