Finding the Fourth Proportional to 181,892.52, 251,011.54 and 105,456.00

Step by Step Solution

1. Step 1: Write the proportion equation
   181,892.52 : 251,011.54 = 105,456.00 : x
2. Step 2: Convert to fraction form
   181,892.52/251,011.54 = 105,456.00/x
3. Step 3: Cross multiply
   181,892.52x = 251,011.54 × 105,456.00
4. Step 4: Simplify right side
   181,892.52x = 26,470,673,106.94
5. Step 5: Solve for x
   x = 26,470,673,106.94/181,892.52
6. Step 6: Final answer
   x = 145,529.20