Finding the Fourth Proportional to 2,817,684.72, 3,888,756 and 1,851,613.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,817,684.72 : 3,888,756 = 1,851,613.92 : x
2. Step 2: Convert to fraction form
   2,817,684.72/3,888,756 = 1,851,613.92/x
3. Step 3: Cross multiply
   2,817,684.72x = 3,888,756 × 1,851,613.92
4. Step 4: Simplify right side
   2,817,684.72x = 7,200,474,741,083.52
5. Step 5: Solve for x
   x = 7,200,474,741,083.52/2,817,684.72
6. Step 6: Final answer
   x = 2,555,457.92