Finding the Fourth Proportional to 101,196.05, 139,646.75 and 55,873.04

Step by Step Solution

1. Step 1: Write the proportion equation
   101,196.05 : 139,646.75 = 55,873.04 : x
2. Step 2: Convert to fraction form
   101,196.05/139,646.75 = 55,873.04/x
3. Step 3: Cross multiply
   101,196.05x = 139,646.75 × 55,873.04
4. Step 4: Simplify right side
   101,196.05x = 7,802,487,471.02
5. Step 5: Solve for x
   x = 7,802,487,471.02/101,196.05
6. Step 6: Final answer
   x = 77,102.69