Finding the Fourth Proportional to 152,158.68, 209,962.74 and 84,164.82

Step by Step Solution

1. Step 1: Write the proportion equation
   152,158.68 : 209,962.74 = 84,164.82 : x
2. Step 2: Convert to fraction form
   152,158.68/209,962.74 = 84,164.82/x
3. Step 3: Cross multiply
   152,158.68x = 209,962.74 × 84,164.82
4. Step 4: Simplify right side
   152,158.68x = 17,671,476,218.81
5. Step 5: Solve for x
   x = 17,671,476,218.81/152,158.68
6. Step 6: Final answer
   x = 116,138.47