Finding the Fourth Proportional to 3,669.01, 5,503.38 and 1,071.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669.01 : 5,503.38 = 1,071.88 : x
2. Step 2: Convert to fraction form
   3,669.01/5,503.38 = 1,071.88/x
3. Step 3: Cross multiply
   3,669.01x = 5,503.38 × 1,071.88
4. Step 4: Simplify right side
   3,669.01x = 5,898,962.95
5. Step 5: Solve for x
   x = 5,898,962.95/3,669.01
6. Step 6: Final answer
   x = 1,607.78