Finding the Fourth Proportional to 101,853.45, 140,555.06 and 56,530.27

Step by Step Solution

1. Step 1: Write the proportion equation
   101,853.45 : 140,555.06 = 56,530.27 : x
2. Step 2: Convert to fraction form
   101,853.45/140,555.06 = 56,530.27/x
3. Step 3: Cross multiply
   101,853.45x = 140,555.06 × 56,530.27
4. Step 4: Simplify right side
   101,853.45x = 7,945,614,788.89
5. Step 5: Solve for x
   x = 7,945,614,788.89/101,853.45
6. Step 6: Final answer
   x = 78,010.27