Finding the Fourth Proportional to 64,587.56, 89,131.31 and 35,516.44

Step by Step Solution

1. Step 1: Write the proportion equation
   64,587.56 : 89,131.31 = 35,516.44 : x
2. Step 2: Convert to fraction form
   64,587.56/89,131.31 = 35,516.44/x
3. Step 3: Cross multiply
   64,587.56x = 89,131.31 × 35,516.44
4. Step 4: Simplify right side
   64,587.56x = 3,165,626,200.50
5. Step 5: Solve for x
   x = 3,165,626,200.50/64,587.56
6. Step 6: Final answer
   x = 49,012.94