Finding the Fourth Proportional to 27,300.42, 37,674.18 and 15,362.82

Step by Step Solution

1. Step 1: Write the proportion equation
   27,300.42 : 37,674.18 = 15,362.82 : x
2. Step 2: Convert to fraction form
   27,300.42/37,674.18 = 15,362.82/x
3. Step 3: Cross multiply
   27,300.42x = 37,674.18 × 15,362.82
4. Step 4: Simplify right side
   27,300.42x = 578,781,645.99
5. Step 5: Solve for x
   x = 578,781,645.99/27,300.42
6. Step 6: Final answer
   x = 21,200.47