Finding the Fourth Proportional to 42,562.99, 58,710.31 and 30,607.39

Step by Step Solution

1. Step 1: Write the proportion equation
   42,562.99 : 58,710.31 = 30,607.39 : x
2. Step 2: Convert to fraction form
   42,562.99/58,710.31 = 30,607.39/x
3. Step 3: Cross multiply
   42,562.99x = 58,710.31 × 30,607.39
4. Step 4: Simplify right side
   42,562.99x = 1,796,969,355.19
5. Step 5: Solve for x
   x = 1,796,969,355.19/42,562.99
6. Step 6: Final answer
   x = 42,219.06