Finding the Fourth Proportional to 152,091.40, 209,887.46 and 84,104.84

Step by Step Solution

1. Step 1: Write the proportion equation
   152,091.40 : 209,887.46 = 84,104.84 : x
2. Step 2: Convert to fraction form
   152,091.40/209,887.46 = 84,104.84/x
3. Step 3: Cross multiply
   152,091.40x = 209,887.46 × 84,104.84
4. Step 4: Simplify right side
   152,091.40x = 17,652,551,241.31
5. Step 5: Solve for x
   x = 17,652,551,241.31/152,091.40
6. Step 6: Final answer
   x = 116,065.41