Finding the Fourth Proportional to 19,947.04, 27,536.90 and 15,460.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,947.04 : 27,536.90 = 15,460.72 : x
2. Step 2: Convert to fraction form
   19,947.04/27,536.90 = 15,460.72/x
3. Step 3: Cross multiply
   19,947.04x = 27,536.90 × 15,460.72
4. Step 4: Simplify right side
   19,947.04x = 425,740,300.57
5. Step 5: Solve for x
   x = 425,740,300.57/19,947.04
6. Step 6: Final answer
   x = 21,343.53