Finding the Fourth Proportional to 152,998.52, 211,142.72 and 84,086.74

Step by Step Solution

1. Step 1: Write the proportion equation
   152,998.52 : 211,142.72 = 84,086.74 : x
2. Step 2: Convert to fraction form
   152,998.52/211,142.72 = 84,086.74/x
3. Step 3: Cross multiply
   152,998.52x = 211,142.72 × 84,086.74
4. Step 4: Simplify right side
   152,998.52x = 17,754,302,464.67
5. Step 5: Solve for x
   x = 17,754,302,464.67/152,998.52
6. Step 6: Final answer
   x = 116,042.31