Finding the Fourth Proportional to 103,488.52, 142,788.84 and 63,187.60

Step by Step Solution

1. Step 1: Write the proportion equation
   103,488.52 : 142,788.84 = 63,187.60 : x
2. Step 2: Convert to fraction form
   103,488.52/142,788.84 = 63,187.60/x
3. Step 3: Cross multiply
   103,488.52x = 142,788.84 × 63,187.60
4. Step 4: Simplify right side
   103,488.52x = 9,022,484,106.38
5. Step 5: Solve for x
   x = 9,022,484,106.38/103,488.52
6. Step 6: Final answer
   x = 87,183.43