Finding the Fourth Proportional to 65,103.13, 89,831.69 and 37,885.31

Step by Step Solution

1. Step 1: Write the proportion equation
   65,103.13 : 89,831.69 = 37,885.31 : x
2. Step 2: Convert to fraction form
   65,103.13/89,831.69 = 37,885.31/x
3. Step 3: Cross multiply
   65,103.13x = 89,831.69 × 37,885.31
4. Step 4: Simplify right side
   65,103.13x = 3,403,301,423.47
5. Step 5: Solve for x
   x = 3,403,301,423.47/65,103.13
6. Step 6: Final answer
   x = 52,275.54