Finding the Fourth Proportional to 27,150.42, 37,468.59 and 15,213.31

Step by Step Solution

1. Step 1: Write the proportion equation
   27,150.42 : 37,468.59 = 15,213.31 : x
2. Step 2: Convert to fraction form
   27,150.42/37,468.59 = 15,213.31/x
3. Step 3: Cross multiply
   27,150.42x = 37,468.59 × 15,213.31
4. Step 4: Simplify right side
   27,150.42x = 570,021,368.60
5. Step 5: Solve for x
   x = 570,021,368.60/27,150.42
6. Step 6: Final answer
   x = 20,994.94