Finding the Fourth Proportional to 16,389,792.18, 24,578,916.89 and 5,457,012.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,389,792.18 : 24,578,916.89 = 5,457,012.80 : x
2. Step 2: Convert to fraction form
   16,389,792.18/24,578,916.89 = 5,457,012.80/x
3. Step 3: Cross multiply
   16,389,792.18x = 24,578,916.89 × 5,457,012.80
4. Step 4: Simplify right side
   16,389,792.18x = 134,127,463,928,686.55
5. Step 5: Solve for x
   x = 134,127,463,928,686.55/16,389,792.18
6. Step 6: Final answer
   x = 8,183,597.60