Finding the Fourth Proportional to 58,025.40, 86,978.52 and 33,012.18

Step by Step Solution

1. Step 1: Write the proportion equation
   58,025.40 : 86,978.52 = 33,012.18 : x
2. Step 2: Convert to fraction form
   58,025.40/86,978.52 = 33,012.18/x
3. Step 3: Cross multiply
   58,025.40x = 86,978.52 × 33,012.18
4. Step 4: Simplify right side
   58,025.40x = 2,871,350,558.37
5. Step 5: Solve for x
   x = 2,871,350,558.37/58,025.40
6. Step 6: Final answer
   x = 49,484.37