Finding the Fourth Proportional to 960,131.56, 1,440,404.93 and 510,787.12

Step by Step Solution

1. Step 1: Write the proportion equation
   960,131.56 : 1,440,404.93 = 510,787.12 : x
2. Step 2: Convert to fraction form
   960,131.56/1,440,404.93 = 510,787.12/x
3. Step 3: Cross multiply
   960,131.56x = 1,440,404.93 × 510,787.12
4. Step 4: Simplify right side
   960,131.56x = 735,740,285,828.50
5. Step 5: Solve for x
   x = 735,740,285,828.50/960,131.56
6. Step 6: Final answer
   x = 766,291.12