Finding the Fourth Proportional to 64,566.69, 89,099.97 and 35,886.21

Step by Step Solution

1. Step 1: Write the proportion equation
   64,566.69 : 89,099.97 = 35,886.21 : x
2. Step 2: Convert to fraction form
   64,566.69/89,099.97 = 35,886.21/x
3. Step 3: Cross multiply
   64,566.69x = 89,099.97 × 35,886.21
4. Step 4: Simplify right side
   64,566.69x = 3,197,460,234.41
5. Step 5: Solve for x
   x = 3,197,460,234.41/64,566.69
6. Step 6: Final answer
   x = 49,521.82