Finding the Fourth Proportional to 101,174.05, 139,620.40 and 55,852.09

Step by Step Solution

1. Step 1: Write the proportion equation
   101,174.05 : 139,620.40 = 55,852.09 : x
2. Step 2: Convert to fraction form
   101,174.05/139,620.40 = 55,852.09/x
3. Step 3: Cross multiply
   101,174.05x = 139,620.40 × 55,852.09
4. Step 4: Simplify right side
   101,174.05x = 7,798,091,561.12
5. Step 5: Solve for x
   x = 7,798,091,561.12/101,174.05
6. Step 6: Final answer
   x = 77,076.00