Finding the Fourth Proportional to 101,582.48, 140,174.78 and 56,259.63

Step by Step Solution

1. Step 1: Write the proportion equation
   101,582.48 : 140,174.78 = 56,259.63 : x
2. Step 2: Convert to fraction form
   101,582.48/140,174.78 = 56,259.63/x
3. Step 3: Cross multiply
   101,582.48x = 140,174.78 × 56,259.63
4. Step 4: Simplify right side
   101,582.48x = 7,886,180,976.83
5. Step 5: Solve for x
   x = 7,886,180,976.83/101,582.48
6. Step 6: Final answer
   x = 77,633.28