Finding the Fourth Proportional to 2,385.01, 3,577.82 and 1,214.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.01 : 3,577.82 = 1,214.61 : x
2. Step 2: Convert to fraction form
   2,385.01/3,577.82 = 1,214.61/x
3. Step 3: Cross multiply
   2,385.01x = 3,577.82 × 1,214.61
4. Step 4: Simplify right side
   2,385.01x = 4,345,663.42
5. Step 5: Solve for x
   x = 4,345,663.42/2,385.01
6. Step 6: Final answer
   x = 1,822.07