Finding the Fourth Proportional to 111,461.58, 153,819.54 and 63,719.37

Step by Step Solution

1. Step 1: Write the proportion equation
   111,461.58 : 153,819.54 = 63,719.37 : x
2. Step 2: Convert to fraction form
   111,461.58/153,819.54 = 63,719.37/x
3. Step 3: Cross multiply
   111,461.58x = 153,819.54 × 63,719.37
4. Step 4: Simplify right side
   111,461.58x = 9,801,284,182.49
5. Step 5: Solve for x
   x = 9,801,284,182.49/111,461.58
6. Step 6: Final answer
   x = 87,934.19