Finding the Fourth Proportional to 164,002.88, 226,316.96 and 91,401.90

Step by Step Solution

1. Step 1: Write the proportion equation
   164,002.88 : 226,316.96 = 91,401.90 : x
2. Step 2: Convert to fraction form
   164,002.88/226,316.96 = 91,401.90/x
3. Step 3: Cross multiply
   164,002.88x = 226,316.96 × 91,401.90
4. Step 4: Simplify right side
   164,002.88x = 20,685,800,146.22
5. Step 5: Solve for x
   x = 20,685,800,146.22/164,002.88
6. Step 6: Final answer
   x = 126,130.71