Finding the Fourth Proportional to 164,488.71, 227,009.57 and 99,943.00

Step by Step Solution

1. Step 1: Write the proportion equation
   164,488.71 : 227,009.57 = 99,943.00 : x
2. Step 2: Convert to fraction form
   164,488.71/227,009.57 = 99,943.00/x
3. Step 3: Cross multiply
   164,488.71x = 227,009.57 × 99,943.00
4. Step 4: Simplify right side
   164,488.71x = 22,688,016,892.24
5. Step 5: Solve for x
   x = 22,688,016,892.24/164,488.71
6. Step 6: Final answer
   x = 137,930.54