Finding the Fourth Proportional to 1,605,515.31, 2,406,587.15 and 540,187.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,515.31 : 2,406,587.15 = 540,187.52 : x
2. Step 2: Convert to fraction form
   1,605,515.31/2,406,587.15 = 540,187.52/x
3. Step 3: Cross multiply
   1,605,515.31x = 2,406,587.15 × 540,187.52
4. Step 4: Simplify right side
   1,605,515.31x = 1,300,008,333,539.90
5. Step 5: Solve for x
   x = 1,300,008,333,539.90/1,605,515.31
6. Step 6: Final answer
   x = 809,714.07