Finding the Fourth Proportional to 23,107,009.49, 31,888,669.31 and 12,793,732.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,107,009.49 : 31,888,669.31 = 12,793,732.28 : x
2. Step 2: Convert to fraction form
   23,107,009.49/31,888,669.31 = 12,793,732.28/x
3. Step 3: Cross multiply
   23,107,009.49x = 31,888,669.31 × 12,793,732.28
4. Step 4: Simplify right side
   23,107,009.49x = 407,975,097,694,180.31
5. Step 5: Solve for x
   x = 407,975,097,694,180.31/23,107,009.49
6. Step 6: Final answer
   x = 17,655,902.12