Finding the Fourth Proportional to 12,071.85, 18,111.72 and 5,832.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071.85 : 18,111.72 = 5,832.58 : x
2. Step 2: Convert to fraction form
   12,071.85/18,111.72 = 5,832.58/x
3. Step 3: Cross multiply
   12,071.85x = 18,111.72 × 5,832.58
4. Step 4: Simplify right side
   12,071.85x = 105,638,055.84
5. Step 5: Solve for x
   x = 105,638,055.84/12,071.85
6. Step 6: Final answer
   x = 8,750.78