Finding the Fourth Proportional to 1,960,749,399.72, 2,705,929,895.75 and 1,102,693,978.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960,749,399.72 : 2,705,929,895.75 = 1,102,693,978.28 : x
2. Step 2: Convert to fraction form
   1,960,749,399.72/2,705,929,895.75 = 1,102,693,978.28/x
3. Step 3: Cross multiply
   1,960,749,399.72x = 2,705,929,895.75 × 1,102,693,978.28
4. Step 4: Simplify right side
   1,960,749,399.72x = 2,983,812,601,672,310,272
5. Step 5: Solve for x
   x = 2,983,812,601,672,310,272/1,960,749,399.72
6. Step 6: Final answer
   x = 1,521,771,523.73