Finding the Fourth Proportional to 42,726,198.24, 64,089,298.16 and 10,377,882.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,726,198.24 : 64,089,298.16 = 10,377,882.80 : x
2. Step 2: Convert to fraction form
   42,726,198.24/64,089,298.16 = 10,377,882.80/x
3. Step 3: Cross multiply
   42,726,198.24x = 64,089,298.16 × 10,377,882.80
4. Step 4: Simplify right side
   42,726,198.24x = 665,111,224,666,399.75
5. Step 5: Solve for x
   x = 665,111,224,666,399.75/42,726,198.24
6. Step 6: Final answer
   x = 15,566,824.39