Finding the Fourth Proportional to 101,007.54, 139,389.84 and 55,685.34

Step by Step Solution

1. Step 1: Write the proportion equation
   101,007.54 : 139,389.84 = 55,685.34 : x
2. Step 2: Convert to fraction form
   101,007.54/139,389.84 = 55,685.34/x
3. Step 3: Cross multiply
   101,007.54x = 139,389.84 × 55,685.34
4. Step 4: Simplify right side
   101,007.54x = 7,761,970,632.95
5. Step 5: Solve for x
   x = 7,761,970,632.95/101,007.54
6. Step 6: Final answer
   x = 76,845.46