Finding the Fourth Proportional to 23,756,607.15, 32,784,117.87 and 12,891,591.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,756,607.15 : 32,784,117.87 = 12,891,591.15 : x
2. Step 2: Convert to fraction form
   23,756,607.15/32,784,117.87 = 12,891,591.15/x
3. Step 3: Cross multiply
   23,756,607.15x = 32,784,117.87 × 12,891,591.15
4. Step 4: Simplify right side
   23,756,607.15x = 422,639,443,793,448.88
5. Step 5: Solve for x
   x = 422,639,443,793,448.88/23,756,607.15
6. Step 6: Final answer
   x = 17,790,395.79