Finding the Fourth Proportional to 2,128,514,083.98, 2,916,015,581.89 and 2,048,933,615.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,514,083.98 : 2,916,015,581.89 = 2,048,933,615.46 : x
2. Step 2: Convert to fraction form
   2,128,514,083.98/2,916,015,581.89 = 2,048,933,615.46/x
3. Step 3: Cross multiply
   2,128,514,083.98x = 2,916,015,581.89 × 2,048,933,615.46
4. Step 4: Simplify right side
   2,128,514,083.98x = 5,974,722,348,939,573,248
5. Step 5: Solve for x
   x = 5,974,722,348,939,573,248/2,128,514,083.98
6. Step 6: Final answer
   x = 2,806,992,161.30