Finding the Fourth Proportional to 63,085, 87,058.56 and 40,767.88

Step by Step Solution

1. Step 1: Write the proportion equation
   63,085 : 87,058.56 = 40,767.88 : x
2. Step 2: Convert to fraction form
   63,085/87,058.56 = 40,767.88/x
3. Step 3: Cross multiply
   63,085x = 87,058.56 × 40,767.88
4. Step 4: Simplify right side
   63,085x = 3,549,192,927.05
5. Step 5: Solve for x
   x = 3,549,192,927.05/63,085
6. Step 6: Final answer
   x = 56,260.49