Finding the Fourth Proportional to 101,149.47, 139,585.56 and 55,827.45

Step by Step Solution

1. Step 1: Write the proportion equation
   101,149.47 : 139,585.56 = 55,827.45 : x
2. Step 2: Convert to fraction form
   101,149.47/139,585.56 = 55,827.45/x
3. Step 3: Cross multiply
   101,149.47x = 139,585.56 × 55,827.45
4. Step 4: Simplify right side
   101,149.47x = 7,792,705,871.62
5. Step 5: Solve for x
   x = 7,792,705,871.62/101,149.47
6. Step 6: Final answer
   x = 77,041.49