Finding the Fourth Proportional to 106,105.76, 146,376.72 and 63,590.48

Step by Step Solution

1. Step 1: Write the proportion equation
   106,105.76 : 146,376.72 = 63,590.48 : x
2. Step 2: Convert to fraction form
   106,105.76/146,376.72 = 63,590.48/x
3. Step 3: Cross multiply
   106,105.76x = 146,376.72 × 63,590.48
4. Step 4: Simplify right side
   106,105.76x = 9,308,165,885.63
5. Step 5: Solve for x
   x = 9,308,165,885.63/106,105.76
6. Step 6: Final answer
   x = 87,725.36