Finding the Fourth Proportional to 1,573,468,066.67, 2,171,392,867.37 and 868,625,839.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,573,468,066.67 : 2,171,392,867.37 = 868,625,839.98 : x
2. Step 2: Convert to fraction form
   1,573,468,066.67/2,171,392,867.37 = 868,625,839.98/x
3. Step 3: Cross multiply
   1,573,468,066.67x = 2,171,392,867.37 × 868,625,839.98
4. Step 4: Simplify right side
   1,573,468,066.67x = 1,886,127,953,341,503,744
5. Step 5: Solve for x
   x = 1,886,127,953,341,503,744/1,573,468,066.67
6. Step 6: Final answer
   x = 1,198,707,487.81