Finding the Fourth Proportional to 23,608,978.16, 35,370,308.16 and 17,115,972.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,608,978.16 : 35,370,308.16 = 17,115,972.72 : x
2. Step 2: Convert to fraction form
   23,608,978.16/35,370,308.16 = 17,115,972.72/x
3. Step 3: Cross multiply
   23,608,978.16x = 35,370,308.16 × 17,115,972.72
4. Step 4: Simplify right side
   23,608,978.16x = 605,397,229,564,553.25
5. Step 5: Solve for x
   x = 605,397,229,564,553.25/23,608,978.16
6. Step 6: Final answer
   x = 25,642,669.73