Finding the Fourth Proportional to 23,687,498.88, 35,542,065.60 and 12,888,604.80

Step by Step Solution

1. Step 1: Write the proportion equation
   23,687,498.88 : 35,542,065.60 = 12,888,604.80 : x
2. Step 2: Convert to fraction form
   23,687,498.88/35,542,065.60 = 12,888,604.80/x
3. Step 3: Cross multiply
   23,687,498.88x = 35,542,065.60 × 12,888,604.80
4. Step 4: Simplify right side
   23,687,498.88x = 458,087,637,294,074.94
5. Step 5: Solve for x
   x = 458,087,637,294,074.94/23,687,498.88
6. Step 6: Final answer
   x = 19,338,792.99