Finding the Fourth Proportional to 78,134.10, 107,825.04 and 42,324.09

Step by Step Solution

1. Step 1: Write the proportion equation
   78,134.10 : 107,825.04 = 42,324.09 : x
2. Step 2: Convert to fraction form
   78,134.10/107,825.04 = 42,324.09/x
3. Step 3: Cross multiply
   78,134.10x = 107,825.04 × 42,324.09
4. Step 4: Simplify right side
   78,134.10x = 4,563,596,697.21
5. Step 5: Solve for x
   x = 4,563,596,697.21/78,134.10
6. Step 6: Final answer
   x = 58,407.23