Finding the Fourth Proportional to 42,288.51, 58,355.64 and 23,164.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,288.51 : 58,355.64 = 23,164.47 : x
2. Step 2: Convert to fraction form
   42,288.51/58,355.64 = 23,164.47/x
3. Step 3: Cross multiply
   42,288.51x = 58,355.64 × 23,164.47
4. Step 4: Simplify right side
   42,288.51x = 1,351,777,472.11
5. Step 5: Solve for x
   x = 1,351,777,472.11/42,288.51
6. Step 6: Final answer
   x = 31,965.59