Finding the Fourth Proportional to 101,582.72, 140,184.52 and 56,259.68

Step by Step Solution

1. Step 1: Write the proportion equation
   101,582.72 : 140,184.52 = 56,259.68 : x
2. Step 2: Convert to fraction form
   101,582.72/140,184.52 = 56,259.68/x
3. Step 3: Cross multiply
   101,582.72x = 140,184.52 × 56,259.68
4. Step 4: Simplify right side
   101,582.72x = 7,886,736,236.15
5. Step 5: Solve for x
   x = 7,886,736,236.15/101,582.72
6. Step 6: Final answer
   x = 77,638.56