Finding the Fourth Proportional to 69,900.10, 104,762.71 and 55,050.37

Step by Step Solution

1. Step 1: Write the proportion equation
   69,900.10 : 104,762.71 = 55,050.37 : x
2. Step 2: Convert to fraction form
   69,900.10/104,762.71 = 55,050.37/x
3. Step 3: Cross multiply
   69,900.10x = 104,762.71 × 55,050.37
4. Step 4: Simplify right side
   69,900.10x = 5,767,225,947.70
5. Step 5: Solve for x
   x = 5,767,225,947.70/69,900.10
6. Step 6: Final answer
   x = 82,506.69