Finding the Fourth Proportional to 58,872.72, 81,243.84 and 34,687.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,872.72 : 81,243.84 = 34,687.72 : x
2. Step 2: Convert to fraction form
   58,872.72/81,243.84 = 34,687.72/x
3. Step 3: Cross multiply
   58,872.72x = 81,243.84 × 34,687.72
4. Step 4: Simplify right side
   58,872.72x = 2,818,163,573.64
5. Step 5: Solve for x
   x = 2,818,163,573.64/58,872.72
6. Step 6: Final answer
   x = 47,868.75