Finding the Fourth Proportional to 23,231,278.40, 32,057,847.42 and 12,917,780.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,231,278.40 : 32,057,847.42 = 12,917,780.06 : x
2. Step 2: Convert to fraction form
   23,231,278.40/32,057,847.42 = 12,917,780.06/x
3. Step 3: Cross multiply
   23,231,278.40x = 32,057,847.42 × 12,917,780.06
4. Step 4: Simplify right side
   23,231,278.40x = 414,116,222,168,598.50
5. Step 5: Solve for x
   x = 414,116,222,168,598.50/23,231,278.40
6. Step 6: Final answer
   x = 17,825,804.29