Finding the Fourth Proportional to 14,290,263.69, 21,435,412.91 and 3,915,571.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,290,263.69 : 21,435,412.91 = 3,915,571.47 : x
2. Step 2: Convert to fraction form
   14,290,263.69/21,435,412.91 = 3,915,571.47/x
3. Step 3: Cross multiply
   14,290,263.69x = 21,435,412.91 × 3,915,571.47
4. Step 4: Simplify right side
   14,290,263.69x = 83,931,891,218,487.83
5. Step 5: Solve for x
   x = 83,931,891,218,487.83/14,290,263.69
6. Step 6: Final answer
   x = 5,873,361.96