Finding the Fourth Proportional to 88,094.25, 121,570.20 and 50,369.31

Step by Step Solution

1. Step 1: Write the proportion equation
   88,094.25 : 121,570.20 = 50,369.31 : x
2. Step 2: Convert to fraction form
   88,094.25/121,570.20 = 50,369.31/x
3. Step 3: Cross multiply
   88,094.25x = 121,570.20 × 50,369.31
4. Step 4: Simplify right side
   88,094.25x = 6,123,407,090.56
5. Step 5: Solve for x
   x = 6,123,407,090.56/88,094.25
6. Step 6: Final answer
   x = 69,509.72