Finding the Fourth Proportional to 63,426.09, 87,530.90 and 35,131.78

Step by Step Solution

1. Step 1: Write the proportion equation
   63,426.09 : 87,530.90 = 35,131.78 : x
2. Step 2: Convert to fraction form
   63,426.09/87,530.90 = 35,131.78/x
3. Step 3: Cross multiply
   63,426.09x = 87,530.90 × 35,131.78
4. Step 4: Simplify right side
   63,426.09x = 3,075,116,255.76
5. Step 5: Solve for x
   x = 3,075,116,255.76/63,426.09
6. Step 6: Final answer
   x = 48,483.46