Finding the Fourth Proportional to 101,340.26, 139,847.33 and 56,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,340.26 : 139,847.33 = 56,016.50 : x
2. Step 2: Convert to fraction form
   101,340.26/139,847.33 = 56,016.50/x
3. Step 3: Cross multiply
   101,340.26x = 139,847.33 × 56,016.50
4. Step 4: Simplify right side
   101,340.26x = 7,833,757,680.86
5. Step 5: Solve for x
   x = 7,833,757,680.86/101,340.26
6. Step 6: Final answer
   x = 77,301.54