Finding the Fourth Proportional to 25,772,978.93, 35,566,851.53 and 15,176,831.09

Step by Step Solution

1. Step 1: Write the proportion equation
   25,772,978.93 : 35,566,851.53 = 15,176,831.09 : x
2. Step 2: Convert to fraction form
   25,772,978.93/35,566,851.53 = 15,176,831.09/x
3. Step 3: Cross multiply
   25,772,978.93x = 35,566,851.53 × 15,176,831.09
4. Step 4: Simplify right side
   25,772,978.93x = 539,792,097,934,025.88
5. Step 5: Solve for x
   x = 539,792,097,934,025.88/25,772,978.93
6. Step 6: Final answer
   x = 20,944,109.70