Finding the Fourth Proportional to 2,443,419,298.74, 3,666,256,143.10 and 1,115,854,312.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443,419,298.74 : 3,666,256,143.10 = 1,115,854,312.76 : x
2. Step 2: Convert to fraction form
   2,443,419,298.74/3,666,256,143.10 = 1,115,854,312.76/x
3. Step 3: Cross multiply
   2,443,419,298.74x = 3,666,256,143.10 × 1,115,854,312.76
4. Step 4: Simplify right side
   2,443,419,298.74x = 4,091,007,728,960,978,432
5. Step 5: Solve for x
   x = 4,091,007,728,960,978,432/2,443,419,298.74
6. Step 6: Final answer
   x = 1,674,296,233.59