Finding the Fourth Proportional to 152,321.92, 210,138.06 and 91,858.96

Step by Step Solution

1. Step 1: Write the proportion equation
   152,321.92 : 210,138.06 = 91,858.96 : x
2. Step 2: Convert to fraction form
   152,321.92/210,138.06 = 91,858.96/x
3. Step 3: Cross multiply
   152,321.92x = 210,138.06 × 91,858.96
4. Step 4: Simplify right side
   152,321.92x = 19,303,063,648.02
5. Step 5: Solve for x
   x = 19,303,063,648.02/152,321.92
6. Step 6: Final answer
   x = 126,725.45