Finding the Fourth Proportional to 2,210,399,018.72, 3,051,727,270.56 and 1,407,079,778.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210,399,018.72 : 3,051,727,270.56 = 1,407,079,778.24 : x
2. Step 2: Convert to fraction form
   2,210,399,018.72/3,051,727,270.56 = 1,407,079,778.24/x
3. Step 3: Cross multiply
   2,210,399,018.72x = 3,051,727,270.56 × 1,407,079,778.24
4. Step 4: Simplify right side
   2,210,399,018.72x = 4,294,023,731,108,525,056
5. Step 5: Solve for x
   x = 4,294,023,731,108,525,056/2,210,399,018.72
6. Step 6: Final answer
   x = 1,942,646,415.76