Finding the Fourth Proportional to 42,320.33, 58,361.74 and 25,321.87

Step by Step Solution

1. Step 1: Write the proportion equation
   42,320.33 : 58,361.74 = 25,321.87 : x
2. Step 2: Convert to fraction form
   42,320.33/58,361.74 = 25,321.87/x
3. Step 3: Cross multiply
   42,320.33x = 58,361.74 × 25,321.87
4. Step 4: Simplify right side
   42,320.33x = 1,477,828,393.25
5. Step 5: Solve for x
   x = 1,477,828,393.25/42,320.33
6. Step 6: Final answer
   x = 34,920.06