Finding the Fourth Proportional to 152,998.78, 211,077.82 and 88,456.16

Step by Step Solution

1. Step 1: Write the proportion equation
   152,998.78 : 211,077.82 = 88,456.16 : x
2. Step 2: Convert to fraction form
   152,998.78/211,077.82 = 88,456.16/x
3. Step 3: Cross multiply
   152,998.78x = 211,077.82 × 88,456.16
4. Step 4: Simplify right side
   152,998.78x = 18,671,132,976.09
5. Step 5: Solve for x
   x = 18,671,132,976.09/152,998.78
6. Step 6: Final answer
   x = 122,034.52