Finding the Fourth Proportional to 11,801.63, 17,705.52 and 4,406.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,801.63 : 17,705.52 = 4,406.15 : x
2. Step 2: Convert to fraction form
   11,801.63/17,705.52 = 4,406.15/x
3. Step 3: Cross multiply
   11,801.63x = 17,705.52 × 4,406.15
4. Step 4: Simplify right side
   11,801.63x = 78,013,176.95
5. Step 5: Solve for x
   x = 78,013,176.95/11,801.63
6. Step 6: Final answer
   x = 6,610.37