Finding the Fourth Proportional to 13,290,891.96, 19,939,700.43 and 3,706,271.49

Step by Step Solution

1. Step 1: Write the proportion equation
   13,290,891.96 : 19,939,700.43 = 3,706,271.49 : x
2. Step 2: Convert to fraction form
   13,290,891.96/19,939,700.43 = 3,706,271.49/x
3. Step 3: Cross multiply
   13,290,891.96x = 19,939,700.43 × 3,706,271.49
4. Step 4: Simplify right side
   13,290,891.96x = 73,901,943,222,849.75
5. Step 5: Solve for x
   x = 73,901,943,222,849.75/13,290,891.96
6. Step 6: Final answer
   x = 5,560,344.89