Finding the Fourth Proportional to 106,152.31, 146,320.18 and 80,575.35

Step by Step Solution

1. Step 1: Write the proportion equation
   106,152.31 : 146,320.18 = 80,575.35 : x
2. Step 2: Convert to fraction form
   106,152.31/146,320.18 = 80,575.35/x
3. Step 3: Cross multiply
   106,152.31x = 146,320.18 × 80,575.35
4. Step 4: Simplify right side
   106,152.31x = 11,789,799,715.56
5. Step 5: Solve for x
   x = 11,789,799,715.56/106,152.31
6. Step 6: Final answer
   x = 111,064.94