Finding the Fourth Proportional to 101,007.30, 139,383.80 and 55,682.94

Step by Step Solution

1. Step 1: Write the proportion equation
   101,007.30 : 139,383.80 = 55,682.94 : x
2. Step 2: Convert to fraction form
   101,007.30/139,383.80 = 55,682.94/x
3. Step 3: Cross multiply
   101,007.30x = 139,383.80 × 55,682.94
4. Step 4: Simplify right side
   101,007.30x = 7,761,299,772.37
5. Step 5: Solve for x
   x = 7,761,299,772.37/101,007.30
6. Step 6: Final answer
   x = 76,839.00