Finding the Fourth Proportional to 5,171,272.56, 7,136,405.72 and 2,848,217.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,171,272.56 : 7,136,405.72 = 2,848,217.76 : x
2. Step 2: Convert to fraction form
   5,171,272.56/7,136,405.72 = 2,848,217.76/x
3. Step 3: Cross multiply
   5,171,272.56x = 7,136,405.72 × 2,848,217.76
4. Step 4: Simplify right side
   5,171,272.56x = 20,326,037,514,269.59
5. Step 5: Solve for x
   x = 20,326,037,514,269.59/5,171,272.56
6. Step 6: Final answer
   x = 3,930,567.82