Finding the Fourth Proportional to 2,068,830,908.99, 2,856,613,366.23 and 1,665,663,983.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068,830,908.99 : 2,856,613,366.23 = 1,665,663,983.54 : x
2. Step 2: Convert to fraction form
   2,068,830,908.99/2,856,613,366.23 = 1,665,663,983.54/x
3. Step 3: Cross multiply
   2,068,830,908.99x = 2,856,613,366.23 × 1,665,663,983.54
4. Step 4: Simplify right side
   2,068,830,908.99x = 4,758,157,999,013,988,352
5. Step 5: Solve for x
   x = 4,758,157,999,013,988,352/2,068,830,908.99
6. Step 6: Final answer
   x = 2,299,926,000.89