Finding the Fourth Proportional to 11,571,457.91, 17,358,131.40 and 5,811,229.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,571,457.91 : 17,358,131.40 = 5,811,229.09 : x
2. Step 2: Convert to fraction form
   11,571,457.91/17,358,131.40 = 5,811,229.09/x
3. Step 3: Cross multiply
   11,571,457.91x = 17,358,131.40 × 5,811,229.09
4. Step 4: Simplify right side
   11,571,457.91x = 100,872,078,139,722.42
5. Step 5: Solve for x
   x = 100,872,078,139,722.42/11,571,457.91
6. Step 6: Final answer
   x = 8,717,317.98