Finding the Fourth Proportional to 956,843,280.73, 1,320,439,010.72 and 555,038,292.71

Step by Step Solution

1. Step 1: Write the proportion equation
   956,843,280.73 : 1,320,439,010.72 = 555,038,292.71 : x
2. Step 2: Convert to fraction form
   956,843,280.73/1,320,439,010.72 = 555,038,292.71/x
3. Step 3: Cross multiply
   956,843,280.73x = 1,320,439,010.72 × 555,038,292.71
4. Step 4: Simplify right side
   956,843,280.73x = 732,894,214,142,444,928
5. Step 5: Solve for x
   x = 732,894,214,142,444,928/956,843,280.73
6. Step 6: Final answer
   x = 765,950,107.92