Finding the Fourth Proportional to 200,758.16, 301,100.76 and 60,479.12

Step by Step Solution

1. Step 1: Write the proportion equation
   200,758.16 : 301,100.76 = 60,479.12 : x
2. Step 2: Convert to fraction form
   200,758.16/301,100.76 = 60,479.12/x
3. Step 3: Cross multiply
   200,758.16x = 301,100.76 × 60,479.12
4. Step 4: Simplify right side
   200,758.16x = 18,210,308,996.13
5. Step 5: Solve for x
   x = 18,210,308,996.13/200,758.16
6. Step 6: Final answer
   x = 90,707.69