Finding the Fourth Proportional to 63,087, 87,061.32 and 40,769.88

Step by Step Solution

1. Step 1: Write the proportion equation
   63,087 : 87,061.32 = 40,769.88 : x
2. Step 2: Convert to fraction form
   63,087/87,061.32 = 40,769.88/x
3. Step 3: Cross multiply
   63,087x = 87,061.32 × 40,769.88
4. Step 4: Simplify right side
   63,087x = 3,549,479,569.04
5. Step 5: Solve for x
   x = 3,549,479,569.04/63,087
6. Step 6: Final answer
   x = 56,263.25