Finding the Fourth Proportional to 2,779,657,568.72, 4,169,482,831.20 and 709,379,378.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,779,657,568.72 : 4,169,482,831.20 = 709,379,378.72 : x
2. Step 2: Convert to fraction form
   2,779,657,568.72/4,169,482,831.20 = 709,379,378.72/x
3. Step 3: Cross multiply
   2,779,657,568.72x = 4,169,482,831.20 × 709,379,378.72
4. Step 4: Simplify right side
   2,779,657,568.72x = 2,957,745,140,380,362,752
5. Step 5: Solve for x
   x = 2,957,745,140,380,362,752/2,779,657,568.72
6. Step 6: Final answer
   x = 1,064,068,169.28