Finding the Fourth Proportional to 27,362.31, 37,759.71 and 15,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,362.31 : 37,759.71 = 15,429.50 : x
2. Step 2: Convert to fraction form
   27,362.31/37,759.71 = 15,429.50/x
3. Step 3: Cross multiply
   27,362.31x = 37,759.71 × 15,429.50
4. Step 4: Simplify right side
   27,362.31x = 582,613,256.65
5. Step 5: Solve for x
   x = 582,613,256.65/27,362.31
6. Step 6: Final answer
   x = 21,292.55