Finding the Fourth Proportional to 151,493.60, 209,076.72 and 91,083.92

Step by Step Solution

1. Step 1: Write the proportion equation
   151,493.60 : 209,076.72 = 91,083.92 : x
2. Step 2: Convert to fraction form
   151,493.60/209,076.72 = 91,083.92/x
3. Step 3: Cross multiply
   151,493.60x = 209,076.72 × 91,083.92
4. Step 4: Simplify right side
   151,493.60x = 19,043,527,238.34
5. Step 5: Solve for x
   x = 19,043,527,238.34/151,493.60
6. Step 6: Final answer
   x = 125,705.16