Finding the Fourth Proportional to 91,590.58, 126,329.43 and 84,061.18

Step by Step Solution

1. Step 1: Write the proportion equation
   91,590.58 : 126,329.43 = 84,061.18 : x
2. Step 2: Convert to fraction form
   91,590.58/126,329.43 = 84,061.18/x
3. Step 3: Cross multiply
   91,590.58x = 126,329.43 × 84,061.18
4. Step 4: Simplify right side
   91,590.58x = 10,619,400,954.53
5. Step 5: Solve for x
   x = 10,619,400,954.53/91,590.58
6. Step 6: Final answer
   x = 115,944.25