Finding the Fourth Proportional to 14,365,521.05, 19,824,840.72 and 7,839,571.70

Step by Step Solution

1. Step 1: Write the proportion equation
   14,365,521.05 : 19,824,840.72 = 7,839,571.70 : x
2. Step 2: Convert to fraction form
   14,365,521.05/19,824,840.72 = 7,839,571.70/x
3. Step 3: Cross multiply
   14,365,521.05x = 19,824,840.72 × 7,839,571.70
4. Step 4: Simplify right side
   14,365,521.05x = 155,418,260,315,081.72
5. Step 5: Solve for x
   x = 155,418,260,315,081.72/14,365,521.05
6. Step 6: Final answer
   x = 10,818,839.07