Finding the Fourth Proportional to 2,020,749,699.98, 2,788,604,908.32 and 1,128,689,444.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,749,699.98 : 2,788,604,908.32 = 1,128,689,444.92 : x
2. Step 2: Convert to fraction form
   2,020,749,699.98/2,788,604,908.32 = 1,128,689,444.92/x
3. Step 3: Cross multiply
   2,020,749,699.98x = 2,788,604,908.32 × 1,128,689,444.92
4. Step 4: Simplify right side
   2,020,749,699.98x = 3,147,468,926,058,945,536
5. Step 5: Solve for x
   x = 3,147,468,926,058,945,536/2,020,749,699.98
6. Step 6: Final answer
   x = 1,557,574,857.53