Finding the Fourth Proportional to 42,189.30, 58,212.81 and 23,322.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,189.30 : 58,212.81 = 23,322.78 : x
2. Step 2: Convert to fraction form
   42,189.30/58,212.81 = 23,322.78/x
3. Step 3: Cross multiply
   42,189.30x = 58,212.81 × 23,322.78
4. Step 4: Simplify right side
   42,189.30x = 1,357,684,560.81
5. Step 5: Solve for x
   x = 1,357,684,560.81/42,189.30
6. Step 6: Final answer
   x = 32,180.78