Finding the Fourth Proportional to 1,010,298.51, 1,515,697.25 and 300,323.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010,298.51 : 1,515,697.25 = 300,323.52 : x
2. Step 2: Convert to fraction form
   1,010,298.51/1,515,697.25 = 300,323.52/x
3. Step 3: Cross multiply
   1,010,298.51x = 1,515,697.25 × 300,323.52
4. Step 4: Simplify right side
   1,010,298.51x = 455,199,531,872.70
5. Step 5: Solve for x
   x = 455,199,531,872.70/1,010,298.51
6. Step 6: Final answer
   x = 450,559.44