Finding the Fourth Proportional to 42,389.72, 58,499.10 and 23,528.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,389.72 : 58,499.10 = 23,528.12 : x
2. Step 2: Convert to fraction form
   42,389.72/58,499.10 = 23,528.12/x
3. Step 3: Cross multiply
   42,389.72x = 58,499.10 × 23,528.12
4. Step 4: Simplify right side
   42,389.72x = 1,376,373,844.69
5. Step 5: Solve for x
   x = 1,376,373,844.69/42,389.72
6. Step 6: Final answer
   x = 32,469.52