Finding the Fourth Proportional to 53,308.84, 80,012.04 and 27,031.72

Step by Step Solution

1. Step 1: Write the proportion equation
   53,308.84 : 80,012.04 = 27,031.72 : x
2. Step 2: Convert to fraction form
   53,308.84/80,012.04 = 27,031.72/x
3. Step 3: Cross multiply
   53,308.84x = 80,012.04 × 27,031.72
4. Step 4: Simplify right side
   53,308.84x = 2,162,863,061.91
5. Step 5: Solve for x
   x = 2,162,863,061.91/53,308.84
6. Step 6: Final answer
   x = 40,572.32