Finding the Fourth Proportional to 27,443.51, 37,873.98 and 15,507.96

Step by Step Solution

1. Step 1: Write the proportion equation
   27,443.51 : 37,873.98 = 15,507.96 : x
2. Step 2: Convert to fraction form
   27,443.51/37,873.98 = 15,507.96/x
3. Step 3: Cross multiply
   27,443.51x = 37,873.98 × 15,507.96
4. Step 4: Simplify right side
   27,443.51x = 587,348,024.85
5. Step 5: Solve for x
   x = 587,348,024.85/27,443.51
6. Step 6: Final answer
   x = 21,402.07