Finding the Fourth Proportional to 16,808,111.79, 23,194,581.81 and 9,365,389.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,808,111.79 : 23,194,581.81 = 9,365,389.05 : x
2. Step 2: Convert to fraction form
   16,808,111.79/23,194,581.81 = 9,365,389.05/x
3. Step 3: Cross multiply
   16,808,111.79x = 23,194,581.81 × 9,365,389.05
4. Step 4: Simplify right side
   16,808,111.79x = 217,226,282,607,243
5. Step 5: Solve for x
   x = 217,226,282,607,243/16,808,111.79
6. Step 6: Final answer
   x = 12,923,895.64