Finding the Fourth Proportional to 42,178.72, 58,206.16 and 23,316.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,178.72 : 58,206.16 = 23,316.16 : x
2. Step 2: Convert to fraction form
   42,178.72/58,206.16 = 23,316.16/x
3. Step 3: Cross multiply
   42,178.72x = 58,206.16 × 23,316.16
4. Step 4: Simplify right side
   42,178.72x = 1,357,144,139.55
5. Step 5: Solve for x
   x = 1,357,144,139.55/42,178.72
6. Step 6: Final answer
   x = 32,176.04