Finding the Fourth Proportional to 2,291,919,565.12, 3,437,875,055.20 and 718,147,348.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291,919,565.12 : 3,437,875,055.20 = 718,147,348.72 : x
2. Step 2: Convert to fraction form
   2,291,919,565.12/3,437,875,055.20 = 718,147,348.72/x
3. Step 3: Cross multiply
   2,291,919,565.12x = 3,437,875,055.20 × 718,147,348.72
4. Step 4: Simplify right side
   2,291,919,565.12x = 2,468,900,856,122,503,680
5. Step 5: Solve for x
   x = 2,468,900,856,122,503,680/2,291,919,565.12
6. Step 6: Final answer
   x = 1,077,219,678.08