Finding the Fourth Proportional to 173,238.83, 259,858.29 and 65,188.55

Step by Step Solution

1. Step 1: Write the proportion equation
   173,238.83 : 259,858.29 = 65,188.55 : x
2. Step 2: Convert to fraction form
   173,238.83/259,858.29 = 65,188.55/x
3. Step 3: Cross multiply
   173,238.83x = 259,858.29 × 65,188.55
4. Step 4: Simplify right side
   173,238.83x = 16,939,783,831.29
5. Step 5: Solve for x
   x = 16,939,783,831.29/173,238.83
6. Step 6: Final answer
   x = 97,782.83