Finding the Fourth Proportional to 106,215.53, 146,581.61 and 58,473.32

Step by Step Solution

1. Step 1: Write the proportion equation
   106,215.53 : 146,581.61 = 58,473.32 : x
2. Step 2: Convert to fraction form
   106,215.53/146,581.61 = 58,473.32/x
3. Step 3: Cross multiply
   106,215.53x = 146,581.61 × 58,473.32
4. Step 4: Simplify right side
   106,215.53x = 8,571,112,362.37
5. Step 5: Solve for x
   x = 8,571,112,362.37/106,215.53
6. Step 6: Final answer
   x = 80,695.48