Finding the Fourth Proportional to 152,501.98, 210,453.27 and 84,520.09

Step by Step Solution

1. Step 1: Write the proportion equation
   152,501.98 : 210,453.27 = 84,520.09 : x
2. Step 2: Convert to fraction form
   152,501.98/210,453.27 = 84,520.09/x
3. Step 3: Cross multiply
   152,501.98x = 210,453.27 × 84,520.09
4. Step 4: Simplify right side
   152,501.98x = 17,787,529,321.19
5. Step 5: Solve for x
   x = 17,787,529,321.19/152,501.98
6. Step 6: Final answer
   x = 116,638.02