Finding the Fourth Proportional to 101,133.84, 139,563.72 and 55,812.72

Step by Step Solution

1. Step 1: Write the proportion equation
   101,133.84 : 139,563.72 = 55,812.72 : x
2. Step 2: Convert to fraction form
   101,133.84/139,563.72 = 55,812.72/x
3. Step 3: Cross multiply
   101,133.84x = 139,563.72 × 55,812.72
4. Step 4: Simplify right side
   101,133.84x = 7,789,430,826.52
5. Step 5: Solve for x
   x = 7,789,430,826.52/101,133.84
6. Step 6: Final answer
   x = 77,021.01