Finding the Fourth Proportional to 22,157,466.09, 30,582,405.03 and 12,993,061.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,157,466.09 : 30,582,405.03 = 12,993,061.29 : x
2. Step 2: Convert to fraction form
   22,157,466.09/30,582,405.03 = 12,993,061.29/x
3. Step 3: Cross multiply
   22,157,466.09x = 30,582,405.03 × 12,993,061.29
4. Step 4: Simplify right side
   22,157,466.09x = 397,359,062,950,394.25
5. Step 5: Solve for x
   x = 397,359,062,950,394.25/22,157,466.09
6. Step 6: Final answer
   x = 17,933,416.27