Finding the Fourth Proportional to 11,848.37, 17,781.72 and 4,459.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,848.37 : 17,781.72 = 4,459.55 : x
2. Step 2: Convert to fraction form
   11,848.37/17,781.72 = 4,459.55/x
3. Step 3: Cross multiply
   11,848.37x = 17,781.72 × 4,459.55
4. Step 4: Simplify right side
   11,848.37x = 79,298,380.52
5. Step 5: Solve for x
   x = 79,298,380.52/11,848.37
6. Step 6: Final answer
   x = 6,692.77