Finding the Fourth Proportional to 23,781,887.36, 32,818,824.18 and 12,916,949.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,781,887.36 : 32,818,824.18 = 12,916,949.12 : x
2. Step 2: Convert to fraction form
   23,781,887.36/32,818,824.18 = 12,916,949.12/x
3. Step 3: Cross multiply
   23,781,887.36x = 32,818,824.18 × 12,916,949.12
4. Step 4: Simplify right side
   23,781,887.36x = 423,919,082,111,285.69
5. Step 5: Solve for x
   x = 423,919,082,111,285.69/23,781,887.36
6. Step 6: Final answer
   x = 17,825,291.82