Finding the Fourth Proportional to 146,811.98, 220,219.28 and 58,065.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,811.98 : 220,219.28 = 58,065.50 : x
2. Step 2: Convert to fraction form
   146,811.98/220,219.28 = 58,065.50/x
3. Step 3: Cross multiply
   146,811.98x = 220,219.28 × 58,065.50
4. Step 4: Simplify right side
   146,811.98x = 12,787,141,792.78
5. Step 5: Solve for x
   x = 12,787,141,792.78/146,811.98
6. Step 6: Final answer
   x = 87,098.76