Finding the Fourth Proportional to 101,095.48, 139,512.23 and 55,774

Step by Step Solution

1. Step 1: Write the proportion equation
   101,095.48 : 139,512.23 = 55,774 : x
2. Step 2: Convert to fraction form
   101,095.48/139,512.23 = 55,774/x
3. Step 3: Cross multiply
   101,095.48x = 139,512.23 × 55,774
4. Step 4: Simplify right side
   101,095.48x = 7,781,155,116.02
5. Step 5: Solve for x
   x = 7,781,155,116.02/101,095.48
6. Step 6: Final answer
   x = 76,968.38