Finding the Fourth Proportional to 9,972,131.99, 13,762,635.62 and 5,786,738.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,972,131.99 : 13,762,635.62 = 5,786,738.87 : x
2. Step 2: Convert to fraction form
   9,972,131.99/13,762,635.62 = 5,786,738.87/x
3. Step 3: Cross multiply
   9,972,131.99x = 13,762,635.62 × 5,786,738.87
4. Step 4: Simplify right side
   9,972,131.99x = 79,640,778,398,153.69
5. Step 5: Solve for x
   x = 79,640,778,398,153.69/9,972,131.99
6. Step 6: Final answer
   x = 7,986,334.17