Finding the Fourth Proportional to 65,099.83, 89,838.47 and 38,243.47

Step by Step Solution

1. Step 1: Write the proportion equation
   65,099.83 : 89,838.47 = 38,243.47 : x
2. Step 2: Convert to fraction form
   65,099.83/89,838.47 = 38,243.47/x
3. Step 3: Cross multiply
   65,099.83x = 89,838.47 × 38,243.47
4. Step 4: Simplify right side
   65,099.83x = 3,435,734,927.90
5. Step 5: Solve for x
   x = 3,435,734,927.90/65,099.83
6. Step 6: Final answer
   x = 52,776.40