Finding the Fourth Proportional to 106,664.80, 147,196.50 and 58,921.48

Step by Step Solution

1. Step 1: Write the proportion equation
   106,664.80 : 147,196.50 = 58,921.48 : x
2. Step 2: Convert to fraction form
   106,664.80/147,196.50 = 58,921.48/x
3. Step 3: Cross multiply
   106,664.80x = 147,196.50 × 58,921.48
4. Step 4: Simplify right side
   106,664.80x = 8,673,035,630.82
5. Step 5: Solve for x
   x = 8,673,035,630.82/106,664.80
6. Step 6: Final answer
   x = 81,311.13