Finding the Fourth Proportional to 2,690,467,747.06, 3,712,937,100.81 and 1,561,350,090.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690,467,747.06 : 3,712,937,100.81 = 1,561,350,090.10 : x
2. Step 2: Convert to fraction form
   2,690,467,747.06/3,712,937,100.81 = 1,561,350,090.10/x
3. Step 3: Cross multiply
   2,690,467,747.06x = 3,712,937,100.81 × 1,561,350,090.10
4. Step 4: Simplify right side
   2,690,467,747.06x = 5,797,194,676,885,325,824
5. Step 5: Solve for x
   x = 5,797,194,676,885,325,824/2,690,467,747.06
6. Step 6: Final answer
   x = 2,154,716,287.98