Finding the Fourth Proportional to 21,562,921.88, 29,746,089.82 and 12,854,958.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,562,921.88 : 29,746,089.82 = 12,854,958.52 : x
2. Step 2: Convert to fraction form
   21,562,921.88/29,746,089.82 = 12,854,958.52/x
3. Step 3: Cross multiply
   21,562,921.88x = 29,746,089.82 × 12,854,958.52
4. Step 4: Simplify right side
   21,562,921.88x = 382,384,750,768,294.25
5. Step 5: Solve for x
   x = 382,384,750,768,294.25/21,562,921.88
6. Step 6: Final answer
   x = 17,733,438.58