Finding the Fourth Proportional to 187,475.61, 258,447.06 and 133,667.31

Step by Step Solution

1. Step 1: Write the proportion equation
   187,475.61 : 258,447.06 = 133,667.31 : x
2. Step 2: Convert to fraction form
   187,475.61/258,447.06 = 133,667.31/x
3. Step 3: Cross multiply
   187,475.61x = 258,447.06 × 133,667.31
4. Step 4: Simplify right side
   187,475.61x = 34,545,923,287.61
5. Step 5: Solve for x
   x = 34,545,923,287.61/187,475.61
6. Step 6: Final answer
   x = 184,268.89