Finding the Fourth Proportional to 152,605.09, 210,593.96 and 84,622.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,605.09 : 210,593.96 = 84,622.10 : x
2. Step 2: Convert to fraction form
   152,605.09/210,593.96 = 84,622.10/x
3. Step 3: Cross multiply
   152,605.09x = 210,593.96 × 84,622.10
4. Step 4: Simplify right side
   152,605.09x = 17,820,903,142.52
5. Step 5: Solve for x
   x = 17,820,903,142.52/152,605.09
6. Step 6: Final answer
   x = 116,777.91