Finding the Fourth Proportional to 101,005.34, 139,388.27 and 55,684.92

Step by Step Solution

1. Step 1: Write the proportion equation
   101,005.34 : 139,388.27 = 55,684.92 : x
2. Step 2: Convert to fraction form
   101,005.34/139,388.27 = 55,684.92/x
3. Step 3: Cross multiply
   101,005.34x = 139,388.27 × 55,684.92
4. Step 4: Simplify right side
   101,005.34x = 7,761,824,663.89
5. Step 5: Solve for x
   x = 7,761,824,663.89/101,005.34
6. Step 6: Final answer
   x = 76,845.69