Finding the Fourth Proportional to 101,164.05, 139,606.37 and 55,842.02

Step by Step Solution

1. Step 1: Write the proportion equation
   101,164.05 : 139,606.37 = 55,842.02 : x
2. Step 2: Convert to fraction form
   101,164.05/139,606.37 = 55,842.02/x
3. Step 3: Cross multiply
   101,164.05x = 139,606.37 × 55,842.02
4. Step 4: Simplify right side
   101,164.05x = 7,795,900,728.43
5. Step 5: Solve for x
   x = 7,795,900,728.43/101,164.05
6. Step 6: Final answer
   x = 77,061.97