Finding the Fourth Proportional to 23,037,105.28, 31,791,016.28 and 12,583,128.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,037,105.28 : 31,791,016.28 = 12,583,128.28 : x
2. Step 2: Convert to fraction form
   23,037,105.28/31,791,016.28 = 12,583,128.28/x
3. Step 3: Cross multiply
   23,037,105.28x = 31,791,016.28 × 12,583,128.28
4. Step 4: Simplify right side
   23,037,105.28x = 400,030,436,002,808.38
5. Step 5: Solve for x
   x = 400,030,436,002,808.38/23,037,105.28
6. Step 6: Final answer
   x = 17,364,613.79