Finding the Fourth Proportional to 63,085.30, 87,056.59 and 34,405.18

Step by Step Solution

1. Step 1: Write the proportion equation
   63,085.30 : 87,056.59 = 34,405.18 : x
2. Step 2: Convert to fraction form
   63,085.30/87,056.59 = 34,405.18/x
3. Step 3: Cross multiply
   63,085.30x = 87,056.59 × 34,405.18
4. Step 4: Simplify right side
   63,085.30x = 2,995,197,649.14
5. Step 5: Solve for x
   x = 2,995,197,649.14/63,085.30
6. Step 6: Final answer
   x = 47,478.54