Finding the Fourth Proportional to 22,063,591.88, 30,435,315.72 and 13,240,786.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,063,591.88 : 30,435,315.72 = 13,240,786.76 : x
2. Step 2: Convert to fraction form
   22,063,591.88/30,435,315.72 = 13,240,786.76/x
3. Step 3: Cross multiply
   22,063,591.88x = 30,435,315.72 × 13,240,786.76
4. Step 4: Simplify right side
   22,063,591.88x = 402,987,525,421,795.88
5. Step 5: Solve for x
   x = 402,987,525,421,795.88/22,063,591.88
6. Step 6: Final answer
   x = 18,264,819.60