Finding the Fourth Proportional to 11,911.76, 17,848.82 and 4,405.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,911.76 : 17,848.82 = 4,405.01 : x
2. Step 2: Convert to fraction form
   11,911.76/17,848.82 = 4,405.01/x
3. Step 3: Cross multiply
   11,911.76x = 17,848.82 × 4,405.01
4. Step 4: Simplify right side
   11,911.76x = 78,624,119.32
5. Step 5: Solve for x
   x = 78,624,119.32/11,911.76
6. Step 6: Final answer
   x = 6,600.55