Finding the Fourth Proportional to 152,308.96, 210,179.51 and 84,321.16

Step by Step Solution

1. Step 1: Write the proportion equation
   152,308.96 : 210,179.51 = 84,321.16 : x
2. Step 2: Convert to fraction form
   152,308.96/210,179.51 = 84,321.16/x
3. Step 3: Cross multiply
   152,308.96x = 210,179.51 × 84,321.16
4. Step 4: Simplify right side
   152,308.96x = 17,722,579,669.83
5. Step 5: Solve for x
   x = 17,722,579,669.83/152,308.96
6. Step 6: Final answer
   x = 116,359.40