Finding the Fourth Proportional to 236,099.86, 325,808.33 and 128,667.59

Step by Step Solution

1. Step 1: Write the proportion equation
   236,099.86 : 325,808.33 = 128,667.59 : x
2. Step 2: Convert to fraction form
   236,099.86/325,808.33 = 128,667.59/x
3. Step 3: Cross multiply
   236,099.86x = 325,808.33 × 128,667.59
4. Step 4: Simplify right side
   236,099.86x = 41,920,971,572.43
5. Step 5: Solve for x
   x = 41,920,971,572.43/236,099.86
6. Step 6: Final answer
   x = 177,556.10