Finding the Fourth Proportional to 101,626.76, 140,238.42 and 56,303.96

Step by Step Solution

1. Step 1: Write the proportion equation
   101,626.76 : 140,238.42 = 56,303.96 : x
2. Step 2: Convert to fraction form
   101,626.76/140,238.42 = 56,303.96/x
3. Step 3: Cross multiply
   101,626.76x = 140,238.42 × 56,303.96
4. Step 4: Simplify right side
   101,626.76x = 7,895,978,390.14
5. Step 5: Solve for x
   x = 7,895,978,390.14/101,626.76
6. Step 6: Final answer
   x = 77,695.86