Finding the Fourth Proportional to 152,408.22, 210,326.33 and 91,217.42

Step by Step Solution

1. Step 1: Write the proportion equation
   152,408.22 : 210,326.33 = 91,217.42 : x
2. Step 2: Convert to fraction form
   152,408.22/210,326.33 = 91,217.42/x
3. Step 3: Cross multiply
   152,408.22x = 210,326.33 × 91,217.42
4. Step 4: Simplify right side
   152,408.22x = 19,185,425,180.67
5. Step 5: Solve for x
   x = 19,185,425,180.67/152,408.22
6. Step 6: Final answer
   x = 125,881.83