Finding the Fourth Proportional to 19,990,047.17, 29,986,900.72 and 5,613,018.12

Step by Step Solution

1. Step 1: Write the proportion equation
   19,990,047.17 : 29,986,900.72 = 5,613,018.12 : x
2. Step 2: Convert to fraction form
   19,990,047.17/29,986,900.72 = 5,613,018.12/x
3. Step 3: Cross multiply
   19,990,047.17x = 29,986,900.72 × 5,613,018.12
4. Step 4: Simplify right side
   19,990,047.17x = 168,317,017,089,968.50
5. Step 5: Solve for x
   x = 168,317,017,089,968.50/19,990,047.17
6. Step 6: Final answer
   x = 8,420,041.02