Finding the Fourth Proportional to 1,565,521,091.42, 2,158,391,316.63 and 1,013,970,270.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,565,521,091.42 : 2,158,391,316.63 = 1,013,970,270.56 : x
2. Step 2: Convert to fraction form
   1,565,521,091.42/2,158,391,316.63 = 1,013,970,270.56/x
3. Step 3: Cross multiply
   1,565,521,091.42x = 2,158,391,316.63 × 1,013,970,270.56
4. Step 4: Simplify right side
   1,565,521,091.42x = 2,188,544,627,304,723,200
5. Step 5: Solve for x
   x = 2,188,544,627,304,723,200/1,565,521,091.42
6. Step 6: Final answer
   x = 1,397,965,597.08