Finding the Fourth Proportional to 164,899.98, 227,557.62 and 91,309.86

Step by Step Solution

1. Step 1: Write the proportion equation
   164,899.98 : 227,557.62 = 91,309.86 : x
2. Step 2: Convert to fraction form
   164,899.98/227,557.62 = 91,309.86/x
3. Step 3: Cross multiply
   164,899.98x = 227,557.62 × 91,309.86
4. Step 4: Simplify right side
   164,899.98x = 20,778,254,424.13
5. Step 5: Solve for x
   x = 20,778,254,424.13/164,899.98
6. Step 6: Final answer
   x = 126,005.20