Finding the Fourth Proportional to 301,620.72, 452,507.22 and 141,667.14

Step by Step Solution

1. Step 1: Write the proportion equation
   301,620.72 : 452,507.22 = 141,667.14 : x
2. Step 2: Convert to fraction form
   301,620.72/452,507.22 = 141,667.14/x
3. Step 3: Cross multiply
   301,620.72x = 452,507.22 × 141,667.14
4. Step 4: Simplify right side
   301,620.72x = 64,105,403,686.75
5. Step 5: Solve for x
   x = 64,105,403,686.75/301,620.72
6. Step 6: Final answer
   x = 212,536.47