Finding the Fourth Proportional to 1,020,259,404.52, 1,407,912,684.78 and 568,160,690.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020,259,404.52 : 1,407,912,684.78 = 568,160,690.51 : x
2. Step 2: Convert to fraction form
   1,020,259,404.52/1,407,912,684.78 = 568,160,690.51/x
3. Step 3: Cross multiply
   1,020,259,404.52x = 1,407,912,684.78 × 568,160,690.51
4. Step 4: Simplify right side
   1,020,259,404.52x = 799,920,643,168,071,552
5. Step 5: Solve for x
   x = 799,920,643,168,071,552/1,020,259,404.52
6. Step 6: Final answer
   x = 784,036,529.95