Finding the Fourth Proportional to 17,141,903.20, 23,656,507.52 and 9,407,224.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,141,903.20 : 23,656,507.52 = 9,407,224.12 : x
2. Step 2: Convert to fraction form
   17,141,903.20/23,656,507.52 = 9,407,224.12/x
3. Step 3: Cross multiply
   17,141,903.20x = 23,656,507.52 × 9,407,224.12
4. Step 4: Simplify right side
   17,141,903.20x = 222,542,068,137,105.34
5. Step 5: Solve for x
   x = 222,542,068,137,105.34/17,141,903.20
6. Step 6: Final answer
   x = 12,982,343.07