Finding the Fourth Proportional to 90,300.16, 124,614.08 and 50,556.16

Step by Step Solution

1. Step 1: Write the proportion equation
   90,300.16 : 124,614.08 = 50,556.16 : x
2. Step 2: Convert to fraction form
   90,300.16/124,614.08 = 50,556.16/x
3. Step 3: Cross multiply
   90,300.16x = 124,614.08 × 50,556.16
4. Step 4: Simplify right side
   90,300.16x = 6,300,009,366.73
5. Step 5: Solve for x
   x = 6,300,009,366.73/90,300.16
6. Step 6: Final answer
   x = 69,767.42