Finding the Fourth Proportional to 101,499.44, 140,069.50 and 56,180.54

Step by Step Solution

1. Step 1: Write the proportion equation
   101,499.44 : 140,069.50 = 56,180.54 : x
2. Step 2: Convert to fraction form
   101,499.44/140,069.50 = 56,180.54/x
3. Step 3: Cross multiply
   101,499.44x = 140,069.50 × 56,180.54
4. Step 4: Simplify right side
   101,499.44x = 7,869,180,357.25
5. Step 5: Solve for x
   x = 7,869,180,357.25/101,499.44
6. Step 6: Final answer
   x = 77,529.30