Finding the Fourth Proportional to 769,061.00, 1,154,315.34 and 390,253.57

Step by Step Solution

1. Step 1: Write the proportion equation
   769,061.00 : 1,154,315.34 = 390,253.57 : x
2. Step 2: Convert to fraction form
   769,061.00/1,154,315.34 = 390,253.57/x
3. Step 3: Cross multiply
   769,061.00x = 1,154,315.34 × 390,253.57
4. Step 4: Simplify right side
   769,061.00x = 450,475,679,454.98
5. Step 5: Solve for x
   x = 450,475,679,454.98/769,061.00
6. Step 6: Final answer
   x = 585,747.66