Finding the Fourth Proportional to 1,494,680,978.10, 2,062,722,413.80 and 859,601,965.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494,680,978.10 : 2,062,722,413.80 = 859,601,965.76 : x
2. Step 2: Convert to fraction form
   1,494,680,978.10/2,062,722,413.80 = 859,601,965.76/x
3. Step 3: Cross multiply
   1,494,680,978.10x = 2,062,722,413.80 × 859,601,965.76
4. Step 4: Simplify right side
   1,494,680,978.10x = 1,773,120,241,724,817,408
5. Step 5: Solve for x
   x = 1,773,120,241,724,817,408/1,494,680,978.10
6. Step 6: Final answer
   x = 1,186,286,751.29