Finding the Fourth Proportional to 42,543, 58,709.34 and 23,679.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,543 : 58,709.34 = 23,679.72 : x
2. Step 2: Convert to fraction form
   42,543/58,709.34 = 23,679.72/x
3. Step 3: Cross multiply
   42,543x = 58,709.34 × 23,679.72
4. Step 4: Simplify right side
   42,543x = 1,390,220,732.58
5. Step 5: Solve for x
   x = 1,390,220,732.58/42,543
6. Step 6: Final answer
   x = 32,678.01