Finding the Fourth Proportional to 78,034.68, 116,982.18 and 28,103.04

Step by Step Solution

1. Step 1: Write the proportion equation
   78,034.68 : 116,982.18 = 28,103.04 : x
2. Step 2: Convert to fraction form
   78,034.68/116,982.18 = 28,103.04/x
3. Step 3: Cross multiply
   78,034.68x = 116,982.18 × 28,103.04
4. Step 4: Simplify right side
   78,034.68x = 3,287,554,883.83
5. Step 5: Solve for x
   x = 3,287,554,883.83/78,034.68
6. Step 6: Final answer
   x = 42,129.41