Finding the Fourth Proportional to 58,012.98, 87,040.20 and 35,800.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,012.98 : 87,040.20 = 35,800.50 : x
2. Step 2: Convert to fraction form
   58,012.98/87,040.20 = 35,800.50/x
3. Step 3: Cross multiply
   58,012.98x = 87,040.20 × 35,800.50
4. Step 4: Simplify right side
   58,012.98x = 3,116,082,680.10
5. Step 5: Solve for x
   x = 3,116,082,680.10/58,012.98
6. Step 6: Final answer
   x = 53,713.54