Finding the Fourth Proportional to 78,004.34, 107,645.32 and 42,194.04

Step by Step Solution

1. Step 1: Write the proportion equation
   78,004.34 : 107,645.32 = 42,194.04 : x
2. Step 2: Convert to fraction form
   78,004.34/107,645.32 = 42,194.04/x
3. Step 3: Cross multiply
   78,004.34x = 107,645.32 × 42,194.04
4. Step 4: Simplify right side
   78,004.34x = 4,541,990,937.89
5. Step 5: Solve for x
   x = 4,541,990,937.89/78,004.34
6. Step 6: Final answer
   x = 58,227.41