Finding the Fourth Proportional to 42,320.56, 58,401.48 and 23,457.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,320.56 : 58,401.48 = 23,457.28 : x
2. Step 2: Convert to fraction form
   42,320.56/58,401.48 = 23,457.28/x
3. Step 3: Cross multiply
   42,320.56x = 58,401.48 × 23,457.28
4. Step 4: Simplify right side
   42,320.56x = 1,369,939,868.77
5. Step 5: Solve for x
   x = 1,369,939,868.77/42,320.56
6. Step 6: Final answer
   x = 32,370.55