Finding the Fourth Proportional to 11,897.10, 17,845.56 and 3,577.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,897.10 : 17,845.56 = 3,577.08 : x
2. Step 2: Convert to fraction form
   11,897.10/17,845.56 = 3,577.08/x
3. Step 3: Cross multiply
   11,897.10x = 17,845.56 × 3,577.08
4. Step 4: Simplify right side
   11,897.10x = 63,834,995.76
5. Step 5: Solve for x
   x = 63,834,995.76/11,897.10
6. Step 6: Final answer
   x = 5,365.59