Finding the Fourth Proportional to 13,327,443.36, 19,987,028.16 and 4,806,672.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,327,443.36 : 19,987,028.16 = 4,806,672.72 : x
2. Step 2: Convert to fraction form
   13,327,443.36/19,987,028.16 = 4,806,672.72/x
3. Step 3: Cross multiply
   13,327,443.36x = 19,987,028.16 × 4,806,672.72
4. Step 4: Simplify right side
   13,327,443.36x = 96,071,103,010,543.80
5. Step 5: Solve for x
   x = 96,071,103,010,543.80/13,327,443.36
6. Step 6: Final answer
   x = 7,208,517.07