Finding the Fourth Proportional to 101,005.98, 139,388.68 and 55,682.94

Step by Step Solution

1. Step 1: Write the proportion equation
   101,005.98 : 139,388.68 = 55,682.94 : x
2. Step 2: Convert to fraction form
   101,005.98/139,388.68 = 55,682.94/x
3. Step 3: Cross multiply
   101,005.98x = 139,388.68 × 55,682.94
4. Step 4: Simplify right side
   101,005.98x = 7,761,571,505.12
5. Step 5: Solve for x
   x = 7,761,571,505.12/101,005.98
6. Step 6: Final answer
   x = 76,842.69