Finding the Fourth Proportional to 101,054.50, 139,453.32 and 55,736.71

Step by Step Solution

1. Step 1: Write the proportion equation
   101,054.50 : 139,453.32 = 55,736.71 : x
2. Step 2: Convert to fraction form
   101,054.50/139,453.32 = 55,736.71/x
3. Step 3: Cross multiply
   101,054.50x = 139,453.32 × 55,736.71
4. Step 4: Simplify right side
   101,054.50x = 7,772,669,255.38
5. Step 5: Solve for x
   x = 7,772,669,255.38/101,054.50
6. Step 6: Final answer
   x = 76,915.62