Finding the Fourth Proportional to 147,364.20, 221,080.86 and 58,622.76

Step by Step Solution

1. Step 1: Write the proportion equation
   147,364.20 : 221,080.86 = 58,622.76 : x
2. Step 2: Convert to fraction form
   147,364.20/221,080.86 = 58,622.76/x
3. Step 3: Cross multiply
   147,364.20x = 221,080.86 × 58,622.76
4. Step 4: Simplify right side
   147,364.20x = 12,960,370,196.37
5. Step 5: Solve for x
   x = 12,960,370,196.37/147,364.20
6. Step 6: Final answer
   x = 87,947.89