Finding the Fourth Proportional to 78,058.98, 107,722.35 and 47,423.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,058.98 : 107,722.35 = 47,423.34 : x
2. Step 2: Convert to fraction form
   78,058.98/107,722.35 = 47,423.34/x
3. Step 3: Cross multiply
   78,058.98x = 107,722.35 × 47,423.34
4. Step 4: Simplify right side
   78,058.98x = 5,108,553,629.65
5. Step 5: Solve for x
   x = 5,108,553,629.65/78,058.98
6. Step 6: Final answer
   x = 65,444.79