Finding the Fourth Proportional to 63,085.85, 87,058.55 and 34,405.57

Step by Step Solution

1. Step 1: Write the proportion equation
   63,085.85 : 87,058.55 = 34,405.57 : x
2. Step 2: Convert to fraction form
   63,085.85/87,058.55 = 34,405.57/x
3. Step 3: Cross multiply
   63,085.85x = 87,058.55 × 34,405.57
4. Step 4: Simplify right side
   63,085.85x = 2,995,298,428.80
5. Step 5: Solve for x
   x = 2,995,298,428.80/63,085.85
6. Step 6: Final answer
   x = 47,479.72