Finding the Fourth Proportional to 101,363.48, 139,877.22 and 55,422.30

Step by Step Solution

1. Step 1: Write the proportion equation
   101,363.48 : 139,877.22 = 55,422.30 : x
2. Step 2: Convert to fraction form
   101,363.48/139,877.22 = 55,422.30/x
3. Step 3: Cross multiply
   101,363.48x = 139,877.22 × 55,422.30
4. Step 4: Simplify right side
   101,363.48x = 7,752,317,250.01
5. Step 5: Solve for x
   x = 7,752,317,250.01/101,363.48
6. Step 6: Final answer
   x = 76,480.38