Finding the Fourth Proportional to 42,543.76, 58,704.60 and 23,678.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,543.76 : 58,704.60 = 23,678.32 : x
2. Step 2: Convert to fraction form
   42,543.76/58,704.60 = 23,678.32/x
3. Step 3: Cross multiply
   42,543.76x = 58,704.60 × 23,678.32
4. Step 4: Simplify right side
   42,543.76x = 1,390,026,304.27
5. Step 5: Solve for x
   x = 1,390,026,304.27/42,543.76
6. Step 6: Final answer
   x = 32,672.86