Finding the Fourth Proportional to 78,501.02, 108,368.61 and 50,223.11

Step by Step Solution

1. Step 1: Write the proportion equation
   78,501.02 : 108,368.61 = 50,223.11 : x
2. Step 2: Convert to fraction form
   78,501.02/108,368.61 = 50,223.11/x
3. Step 3: Cross multiply
   78,501.02x = 108,368.61 × 50,223.11
4. Step 4: Simplify right side
   78,501.02x = 5,442,608,620.58
5. Step 5: Solve for x
   x = 5,442,608,620.58/78,501.02
6. Step 6: Final answer
   x = 69,331.69