Finding the Fourth Proportional to 152,419.33, 210,336.46 and 84,436.19

Step by Step Solution

1. Step 1: Write the proportion equation
   152,419.33 : 210,336.46 = 84,436.19 : x
2. Step 2: Convert to fraction form
   152,419.33/210,336.46 = 84,436.19/x
3. Step 3: Cross multiply
   152,419.33x = 210,336.46 × 84,436.19
4. Step 4: Simplify right side
   152,419.33x = 17,760,008,037.71
5. Step 5: Solve for x
   x = 17,760,008,037.71/152,419.33
6. Step 6: Final answer
   x = 116,520.71