Finding the Fourth Proportional to 280,243.01, 386,744.69 and 152,925.59

Step by Step Solution

1. Step 1: Write the proportion equation
   280,243.01 : 386,744.69 = 152,925.59 : x
2. Step 2: Convert to fraction form
   280,243.01/386,744.69 = 152,925.59/x
3. Step 3: Cross multiply
   280,243.01x = 386,744.69 × 152,925.59
4. Step 4: Simplify right side
   280,243.01x = 59,143,159,897.62
5. Step 5: Solve for x
   x = 59,143,159,897.62/280,243.01
6. Step 6: Final answer
   x = 211,042.41