Finding the Fourth Proportional to 6,513,131.98, 8,989,198.42 and 3,613,457.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,513,131.98 : 8,989,198.42 = 3,613,457.06 : x
2. Step 2: Convert to fraction form
   6,513,131.98/8,989,198.42 = 3,613,457.06/x
3. Step 3: Cross multiply
   6,513,131.98x = 8,989,198.42 × 3,613,457.06
4. Step 4: Simplify right side
   6,513,131.98x = 32,482,082,494,489.84
5. Step 5: Solve for x
   x = 32,482,082,494,489.84/6,513,131.98
6. Step 6: Final answer
   x = 4,987,167.86