Finding the Fourth Proportional to 236,648.86, 326,617.52 and 139,848.59

Step by Step Solution

1. Step 1: Write the proportion equation
   236,648.86 : 326,617.52 = 139,848.59 : x
2. Step 2: Convert to fraction form
   236,648.86/326,617.52 = 139,848.59/x
3. Step 3: Cross multiply
   236,648.86x = 326,617.52 × 139,848.59
4. Step 4: Simplify right side
   236,648.86x = 45,676,999,758.60
5. Step 5: Solve for x
   x = 45,676,999,758.60/236,648.86
6. Step 6: Final answer
   x = 193,015.93