Finding the Fourth Proportional to 1,663.47, 2,495.27 and 841.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663.47 : 2,495.27 = 841.52 : x
2. Step 2: Convert to fraction form
   1,663.47/2,495.27 = 841.52/x
3. Step 3: Cross multiply
   1,663.47x = 2,495.27 × 841.52
4. Step 4: Simplify right side
   1,663.47x = 2,099,827.95
5. Step 5: Solve for x
   x = 2,099,827.95/1,663.47
6. Step 6: Final answer
   x = 1,262.32