Finding the Fourth Proportional to 1,613,488.89, 2,420,211.47 and 549,272.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613,488.89 : 2,420,211.47 = 549,272.82 : x
2. Step 2: Convert to fraction form
   1,613,488.89/2,420,211.47 = 549,272.82/x
3. Step 3: Cross multiply
   1,613,488.89x = 2,420,211.47 × 549,272.82
4. Step 4: Simplify right side
   1,613,488.89x = 1,329,356,376,376.88
5. Step 5: Solve for x
   x = 1,329,356,376,376.88/1,613,488.89
6. Step 6: Final answer
   x = 823,901.78