Finding the Fourth Proportional to 2,298,814.60, 3,172,613.32 and 1,266,428.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298,814.60 : 3,172,613.32 = 1,266,428.18 : x
2. Step 2: Convert to fraction form
   2,298,814.60/3,172,613.32 = 1,266,428.18/x
3. Step 3: Cross multiply
   2,298,814.60x = 3,172,613.32 × 1,266,428.18
4. Step 4: Simplify right side
   2,298,814.60x = 4,017,886,901,697.65
5. Step 5: Solve for x
   x = 4,017,886,901,697.65/2,298,814.60
6. Step 6: Final answer
   x = 1,747,808.15