Finding the Fourth Proportional to 118,040.04, 161,978.85 and 107,348.04

Step by Step Solution

1. Step 1: Write the proportion equation
   118,040.04 : 161,978.85 = 107,348.04 : x
2. Step 2: Convert to fraction form
   118,040.04/161,978.85 = 107,348.04/x
3. Step 3: Cross multiply
   118,040.04x = 161,978.85 × 107,348.04
4. Step 4: Simplify right side
   118,040.04x = 17,388,112,068.95
5. Step 5: Solve for x
   x = 17,388,112,068.95/118,040.04
6. Step 6: Final answer
   x = 147,306.90