Finding the Fourth Proportional to 23,756,782.10, 32,784,359.30 and 12,891,766.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,756,782.10 : 32,784,359.30 = 12,891,766.10 : x
2. Step 2: Convert to fraction form
   23,756,782.10/32,784,359.30 = 12,891,766.10/x
3. Step 3: Cross multiply
   23,756,782.10x = 32,784,359.30 × 12,891,766.10
4. Step 4: Simplify right side
   23,756,782.10x = 422,648,291,972,322.06
5. Step 5: Solve for x
   x = 422,648,291,972,322.06/23,756,782.10
6. Step 6: Final answer
   x = 17,790,637.22