Finding the Fourth Proportional to 152,788.15, 210,844.38 and 84,801.16

Step by Step Solution

1. Step 1: Write the proportion equation
   152,788.15 : 210,844.38 = 84,801.16 : x
2. Step 2: Convert to fraction form
   152,788.15/210,844.38 = 84,801.16/x
3. Step 3: Cross multiply
   152,788.15x = 210,844.38 × 84,801.16
4. Step 4: Simplify right side
   152,788.15x = 17,879,848,003.48
5. Step 5: Solve for x
   x = 17,879,848,003.48/152,788.15
6. Step 6: Final answer
   x = 117,023.79