Finding the Fourth Proportional to 23,647,402.34, 32,633,400.78 and 12,782,386.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,647,402.34 : 32,633,400.78 = 12,782,386.34 : x
2. Step 2: Convert to fraction form
   23,647,402.34/32,633,400.78 = 12,782,386.34/x
3. Step 3: Cross multiply
   23,647,402.34x = 32,633,400.78 × 12,782,386.34
4. Step 4: Simplify right side
   23,647,402.34x = 417,132,736,358,017.38
5. Step 5: Solve for x
   x = 417,132,736,358,017.38/23,647,402.34
6. Step 6: Final answer
   x = 17,639,685.34