Finding the Fourth Proportional to 152,817.15, 210,878.72 and 84,829.23

Step by Step Solution

1. Step 1: Write the proportion equation
   152,817.15 : 210,878.72 = 84,829.23 : x
2. Step 2: Convert to fraction form
   152,817.15/210,878.72 = 84,829.23/x
3. Step 3: Cross multiply
   152,817.15x = 210,878.72 × 84,829.23
4. Step 4: Simplify right side
   152,817.15x = 17,888,679,016.84
5. Step 5: Solve for x
   x = 17,888,679,016.84/152,817.15
6. Step 6: Final answer
   x = 117,059.37