Finding the Fourth Proportional to 101,173.43, 139,609.37 and 55,848.48

Step by Step Solution

1. Step 1: Write the proportion equation
   101,173.43 : 139,609.37 = 55,848.48 : x
2. Step 2: Convert to fraction form
   101,173.43/139,609.37 = 55,848.48/x
3. Step 3: Cross multiply
   101,173.43x = 139,609.37 × 55,848.48
4. Step 4: Simplify right side
   101,173.43x = 7,796,970,829.02
5. Step 5: Solve for x
   x = 7,796,970,829.02/101,173.43
6. Step 6: Final answer
   x = 77,065.40