Finding the Fourth Proportional to 64,587.27, 89,131.64 and 35,909.33

Step by Step Solution

1. Step 1: Write the proportion equation
   64,587.27 : 89,131.64 = 35,909.33 : x
2. Step 2: Convert to fraction form
   64,587.27/89,131.64 = 35,909.33/x
3. Step 3: Cross multiply
   64,587.27x = 89,131.64 × 35,909.33
4. Step 4: Simplify right side
   64,587.27x = 3,200,657,050.99
5. Step 5: Solve for x
   x = 3,200,657,050.99/64,587.27
6. Step 6: Final answer
   x = 49,555.54