Finding the Fourth Proportional to 58,839.06, 81,142.56 and 45,389.04

Step by Step Solution

1. Step 1: Write the proportion equation
   58,839.06 : 81,142.56 = 45,389.04 : x
2. Step 2: Convert to fraction form
   58,839.06/81,142.56 = 45,389.04/x
3. Step 3: Cross multiply
   58,839.06x = 81,142.56 × 45,389.04
4. Step 4: Simplify right side
   58,839.06x = 3,682,982,901.54
5. Step 5: Solve for x
   x = 3,682,982,901.54/58,839.06
6. Step 6: Final answer
   x = 62,594.18