Finding the Fourth Proportional to 37,147.58, 55,682.24 and 12,181.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,147.58 : 55,682.24 = 12,181.12 : x
2. Step 2: Convert to fraction form
   37,147.58/55,682.24 = 12,181.12/x
3. Step 3: Cross multiply
   37,147.58x = 55,682.24 × 12,181.12
4. Step 4: Simplify right side
   37,147.58x = 678,272,047.31
5. Step 5: Solve for x
   x = 678,272,047.31/37,147.58
6. Step 6: Final answer
   x = 18,258.85