Finding the Fourth Proportional to 101,053.50, 139,451.94 and 55,735.71

Step by Step Solution

1. Step 1: Write the proportion equation
   101,053.50 : 139,451.94 = 55,735.71 : x
2. Step 2: Convert to fraction form
   101,053.50/139,451.94 = 55,735.71/x
3. Step 3: Cross multiply
   101,053.50x = 139,451.94 × 55,735.71
4. Step 4: Simplify right side
   101,053.50x = 7,772,452,886.78
5. Step 5: Solve for x
   x = 7,772,452,886.78/101,053.50
6. Step 6: Final answer
   x = 76,914.24