Finding the Fourth Proportional to 142,600.82, 214,111.51 and 79,544.15

Step by Step Solution

1. Step 1: Write the proportion equation
   142,600.82 : 214,111.51 = 79,544.15 : x
2. Step 2: Convert to fraction form
   142,600.82/214,111.51 = 79,544.15/x
3. Step 3: Cross multiply
   142,600.82x = 214,111.51 × 79,544.15
4. Step 4: Simplify right side
   142,600.82x = 17,031,316,798.75
5. Step 5: Solve for x
   x = 17,031,316,798.75/142,600.82
6. Step 6: Final answer
   x = 119,433.51