Finding the Fourth Proportional to 211,003.52, 291,208.25 and 120,381.83

Step by Step Solution

1. Step 1: Write the proportion equation
   211,003.52 : 291,208.25 = 120,381.83 : x
2. Step 2: Convert to fraction form
   211,003.52/291,208.25 = 120,381.83/x
3. Step 3: Cross multiply
   211,003.52x = 291,208.25 × 120,381.83
4. Step 4: Simplify right side
   211,003.52x = 35,056,179,988.15
5. Step 5: Solve for x
   x = 35,056,179,988.15/211,003.52
6. Step 6: Final answer
   x = 166,140.27