Finding the Fourth Proportional to 42,339.64, 58,429.30 and 23,221.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,339.64 : 58,429.30 = 23,221.08 : x
2. Step 2: Convert to fraction form
   42,339.64/58,429.30 = 23,221.08/x
3. Step 3: Cross multiply
   42,339.64x = 58,429.30 × 23,221.08
4. Step 4: Simplify right side
   42,339.64x = 1,356,791,449.64
5. Step 5: Solve for x
   x = 1,356,791,449.64/42,339.64
6. Step 6: Final answer
   x = 32,045.42