Finding the Fourth Proportional to 2,138,409,134.94, 3,206,957,268.89 and 1,478,662,214.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,409,134.94 : 3,206,957,268.89 = 1,478,662,214.03 : x
2. Step 2: Convert to fraction form
   2,138,409,134.94/3,206,957,268.89 = 1,478,662,214.03/x
3. Step 3: Cross multiply
   2,138,409,134.94x = 3,206,957,268.89 × 1,478,662,214.03
4. Step 4: Simplify right side
   2,138,409,134.94x = 4,742,006,535,493,061,632
5. Step 5: Solve for x
   x = 4,742,006,535,493,061,632/2,138,409,134.94
6. Step 6: Final answer
   x = 2,217,539,411.90