Finding the Fourth Proportional to 152,019.84, 209,775.60 and 84,036

Step by Step Solution

1. Step 1: Write the proportion equation
   152,019.84 : 209,775.60 = 84,036 : x
2. Step 2: Convert to fraction form
   152,019.84/209,775.60 = 84,036/x
3. Step 3: Cross multiply
   152,019.84x = 209,775.60 × 84,036
4. Step 4: Simplify right side
   152,019.84x = 17,628,702,321.60
5. Step 5: Solve for x
   x = 17,628,702,321.60/152,019.84
6. Step 6: Final answer
   x = 115,963.17