Finding the Fourth Proportional to 111,463.30, 153,819.34 and 63,717.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,463.30 : 153,819.34 = 63,717.72 : x
2. Step 2: Convert to fraction form
   111,463.30/153,819.34 = 63,717.72/x
3. Step 3: Cross multiply
   111,463.30x = 153,819.34 × 63,717.72
4. Step 4: Simplify right side
   111,463.30x = 9,801,017,636.70
5. Step 5: Solve for x
   x = 9,801,017,636.70/111,463.30
6. Step 6: Final answer
   x = 87,930.45