Finding the Fourth Proportional to 42,726,197.86, 64,089,297.59 and 10,377,882.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,726,197.86 : 64,089,297.59 = 10,377,882.42 : x
2. Step 2: Convert to fraction form
   42,726,197.86/64,089,297.59 = 10,377,882.42/x
3. Step 3: Cross multiply
   42,726,197.86x = 64,089,297.59 × 10,377,882.42
4. Step 4: Simplify right side
   42,726,197.86x = 665,111,194,477,185.12
5. Step 5: Solve for x
   x = 665,111,194,477,185.12/42,726,197.86
6. Step 6: Final answer
   x = 15,566,823.82