Finding the Fourth Proportional to 334,434.24, 501,649.98 and 121,152.21

Step by Step Solution

1. Step 1: Write the proportion equation
   334,434.24 : 501,649.98 = 121,152.21 : x
2. Step 2: Convert to fraction form
   334,434.24/501,649.98 = 121,152.21/x
3. Step 3: Cross multiply
   334,434.24x = 501,649.98 × 121,152.21
4. Step 4: Simplify right side
   334,434.24x = 60,776,003,723.46
5. Step 5: Solve for x
   x = 60,776,003,723.46/334,434.24
6. Step 6: Final answer
   x = 181,727.82