Finding the Fourth Proportional to 742,061.25, 1,024,049.99 and 402,529.50

Step by Step Solution

1. Step 1: Write the proportion equation
   742,061.25 : 1,024,049.99 = 402,529.50 : x
2. Step 2: Convert to fraction form
   742,061.25/1,024,049.99 = 402,529.50/x
3. Step 3: Cross multiply
   742,061.25x = 1,024,049.99 × 402,529.50
4. Step 4: Simplify right side
   742,061.25x = 412,210,331,456.03
5. Step 5: Solve for x
   x = 412,210,331,456.03/742,061.25
6. Step 6: Final answer
   x = 555,493.68