Finding the Fourth Proportional to 42,321.78, 58,271.10 and 35,935.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,321.78 : 58,271.10 = 35,935.06 : x
2. Step 2: Convert to fraction form
   42,321.78/58,271.10 = 35,935.06/x
3. Step 3: Cross multiply
   42,321.78x = 58,271.10 × 35,935.06
4. Step 4: Simplify right side
   42,321.78x = 2,093,975,474.77
5. Step 5: Solve for x
   x = 2,093,975,474.77/42,321.78
6. Step 6: Final answer
   x = 49,477.49