Finding the Fourth Proportional to 152,139.41, 209,936.22 and 84,145.58

Step by Step Solution

1. Step 1: Write the proportion equation
   152,139.41 : 209,936.22 = 84,145.58 : x
2. Step 2: Convert to fraction form
   152,139.41/209,936.22 = 84,145.58/x
3. Step 3: Cross multiply
   152,139.41x = 209,936.22 × 84,145.58
4. Step 4: Simplify right side
   152,139.41x = 17,665,204,994.91
5. Step 5: Solve for x
   x = 17,665,204,994.91/152,139.41
6. Step 6: Final answer
   x = 116,111.96