Finding the Fourth Proportional to 208,485.60, 287,741.06 and 132,011.83

Step by Step Solution

1. Step 1: Write the proportion equation
   208,485.60 : 287,741.06 = 132,011.83 : x
2. Step 2: Convert to fraction form
   208,485.60/287,741.06 = 132,011.83/x
3. Step 3: Cross multiply
   208,485.60x = 287,741.06 × 132,011.83
4. Step 4: Simplify right side
   208,485.60x = 37,985,222,472.86
5. Step 5: Solve for x
   x = 37,985,222,472.86/208,485.60
6. Step 6: Final answer
   x = 182,195.91