Finding the Fourth Proportional to 2,349,611,543.56, 3,243,307,336.52 and 1,396,990,008.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,349,611,543.56 : 3,243,307,336.52 = 1,396,990,008.72 : x
2. Step 2: Convert to fraction form
   2,349,611,543.56/3,243,307,336.52 = 1,396,990,008.72/x
3. Step 3: Cross multiply
   2,349,611,543.56x = 3,243,307,336.52 × 1,396,990,008.72
4. Step 4: Simplify right side
   2,349,611,543.56x = 4,530,867,944,319,659,520
5. Step 5: Solve for x
   x = 4,530,867,944,319,659,520/2,349,611,543.56
6. Step 6: Final answer
   x = 1,928,347,669.53