Finding the Fourth Proportional to 152,021.63, 209,789.73 and 91,594.82

Step by Step Solution

1. Step 1: Write the proportion equation
   152,021.63 : 209,789.73 = 91,594.82 : x
2. Step 2: Convert to fraction form
   152,021.63/209,789.73 = 91,594.82/x
3. Step 3: Cross multiply
   152,021.63x = 209,789.73 × 91,594.82
4. Step 4: Simplify right side
   152,021.63x = 19,215,653,081.67
5. Step 5: Solve for x
   x = 19,215,653,081.67/152,021.63
6. Step 6: Final answer
   x = 126,400.78