Finding the Fourth Proportional to 101,164.58, 139,607.15 and 55,842.60

Step by Step Solution

1. Step 1: Write the proportion equation
   101,164.58 : 139,607.15 = 55,842.60 : x
2. Step 2: Convert to fraction form
   101,164.58/139,607.15 = 55,842.60/x
3. Step 3: Cross multiply
   101,164.58x = 139,607.15 × 55,842.60
4. Step 4: Simplify right side
   101,164.58x = 7,796,025,955.37
5. Step 5: Solve for x
   x = 7,796,025,955.37/101,164.58
6. Step 6: Final answer
   x = 77,062.80