Finding the Fourth Proportional to 2,144,112,946.91, 3,215,446,372.04 and 815,825,659.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144,112,946.91 : 3,215,446,372.04 = 815,825,659.22 : x
2. Step 2: Convert to fraction form
   2,144,112,946.91/3,215,446,372.04 = 815,825,659.22/x
3. Step 3: Cross multiply
   2,144,112,946.91x = 3,215,446,372.04 × 815,825,659.22
4. Step 4: Simplify right side
   2,144,112,946.91x = 2,623,243,656,156,090,368
5. Step 5: Solve for x
   x = 2,623,243,656,156,090,368/2,144,112,946.91
6. Step 6: Final answer
   x = 1,223,463,372.08