Finding the Fourth Proportional to 101,057.55, 139,460.52 and 55,737.45

Step by Step Solution

1. Step 1: Write the proportion equation
   101,057.55 : 139,460.52 = 55,737.45 : x
2. Step 2: Convert to fraction form
   101,057.55/139,460.52 = 55,737.45/x
3. Step 3: Cross multiply
   101,057.55x = 139,460.52 × 55,737.45
4. Step 4: Simplify right side
   101,057.55x = 7,773,173,760.47
5. Step 5: Solve for x
   x = 7,773,173,760.47/101,057.55
6. Step 6: Final answer
   x = 76,918.29