Finding the Fourth Proportional to 123,731.76, 185,667.86 and 66,804.91

Step by Step Solution

1. Step 1: Write the proportion equation
   123,731.76 : 185,667.86 = 66,804.91 : x
2. Step 2: Convert to fraction form
   123,731.76/185,667.86 = 66,804.91/x
3. Step 3: Cross multiply
   123,731.76x = 185,667.86 × 66,804.91
4. Step 4: Simplify right side
   123,731.76x = 12,403,524,004.26
5. Step 5: Solve for x
   x = 12,403,524,004.26/123,731.76
6. Step 6: Final answer
   x = 100,245.27