Finding the Fourth Proportional to 101,076.96, 139,483.80 and 55,753.98

Step by Step Solution

1. Step 1: Write the proportion equation
   101,076.96 : 139,483.80 = 55,753.98 : x
2. Step 2: Convert to fraction form
   101,076.96/139,483.80 = 55,753.98/x
3. Step 3: Cross multiply
   101,076.96x = 139,483.80 × 55,753.98
4. Step 4: Simplify right side
   101,076.96x = 7,776,776,995.52
5. Step 5: Solve for x
   x = 7,776,776,995.52/101,076.96
6. Step 6: Final answer
   x = 76,939.17