Finding the Fourth Proportional to 101,763.83, 140,503.59 and 63,581.51

Step by Step Solution

1. Step 1: Write the proportion equation
   101,763.83 : 140,503.59 = 63,581.51 : x
2. Step 2: Convert to fraction form
   101,763.83/140,503.59 = 63,581.51/x
3. Step 3: Cross multiply
   101,763.83x = 140,503.59 × 63,581.51
4. Step 4: Simplify right side
   101,763.83x = 8,933,429,710.10
5. Step 5: Solve for x
   x = 8,933,429,710.10/101,763.83
6. Step 6: Final answer
   x = 87,785.91