Finding the Fourth Proportional to 141,155.39, 211,700.79 and 84,245.37

Step by Step Solution

1. Step 1: Write the proportion equation
   141,155.39 : 211,700.79 = 84,245.37 : x
2. Step 2: Convert to fraction form
   141,155.39/211,700.79 = 84,245.37/x
3. Step 3: Cross multiply
   141,155.39x = 211,700.79 × 84,245.37
4. Step 4: Simplify right side
   141,155.39x = 17,834,810,588.96
5. Step 5: Solve for x
   x = 17,834,810,588.96/141,155.39
6. Step 6: Final answer
   x = 126,348.77