Finding the Fourth Proportional to 134,667.54, 185,833.74 and 74,238.09

Step by Step Solution

1. Step 1: Write the proportion equation
   134,667.54 : 185,833.74 = 74,238.09 : x
2. Step 2: Convert to fraction form
   134,667.54/185,833.74 = 74,238.09/x
3. Step 3: Cross multiply
   134,667.54x = 185,833.74 × 74,238.09
4. Step 4: Simplify right side
   134,667.54x = 13,795,941,915.16
5. Step 5: Solve for x
   x = 13,795,941,915.16/134,667.54
6. Step 6: Final answer
   x = 102,444.45