Finding the Fourth Proportional to 65,162.83, 89,897.97 and 39,648.74

Step by Step Solution

1. Step 1: Write the proportion equation
   65,162.83 : 89,897.97 = 39,648.74 : x
2. Step 2: Convert to fraction form
   65,162.83/89,897.97 = 39,648.74/x
3. Step 3: Cross multiply
   65,162.83x = 89,897.97 × 39,648.74
4. Step 4: Simplify right side
   65,162.83x = 3,564,341,275.37
5. Step 5: Solve for x
   x = 3,564,341,275.37/65,162.83
6. Step 6: Final answer
   x = 54,699.00