Finding the Fourth Proportional to 1,036,112.50, 1,554,256.23 and 288,158.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,112.50 : 1,554,256.23 = 288,158.50 : x
2. Step 2: Convert to fraction form
   1,036,112.50/1,554,256.23 = 288,158.50/x
3. Step 3: Cross multiply
   1,036,112.50x = 1,554,256.23 × 288,158.50
4. Step 4: Simplify right side
   1,036,112.50x = 447,872,143,852.46
5. Step 5: Solve for x
   x = 447,872,143,852.46/1,036,112.50
6. Step 6: Final answer
   x = 432,262.08