Finding the Fourth Proportional to 78,044.27, 107,701.86 and 42,235.05

Step by Step Solution

1. Step 1: Write the proportion equation
   78,044.27 : 107,701.86 = 42,235.05 : x
2. Step 2: Convert to fraction form
   78,044.27/107,701.86 = 42,235.05/x
3. Step 3: Cross multiply
   78,044.27x = 107,701.86 × 42,235.05
4. Step 4: Simplify right side
   78,044.27x = 4,548,793,442.19
5. Step 5: Solve for x
   x = 4,548,793,442.19/78,044.27
6. Step 6: Final answer
   x = 58,284.79