Finding the Fourth Proportional to 42,438.56, 58,560.72 and 24,530.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,438.56 : 58,560.72 = 24,530.72 : x
2. Step 2: Convert to fraction form
   42,438.56/58,560.72 = 24,530.72/x
3. Step 3: Cross multiply
   42,438.56x = 58,560.72 × 24,530.72
4. Step 4: Simplify right side
   42,438.56x = 1,436,536,625.32
5. Step 5: Solve for x
   x = 1,436,536,625.32/42,438.56
6. Step 6: Final answer
   x = 33,849.80