Finding the Fourth Proportional to 90,840.96, 125,253.27 and 62,174.43

Step by Step Solution

1. Step 1: Write the proportion equation
   90,840.96 : 125,253.27 = 62,174.43 : x
2. Step 2: Convert to fraction form
   90,840.96/125,253.27 = 62,174.43/x
3. Step 3: Cross multiply
   90,840.96x = 125,253.27 × 62,174.43
4. Step 4: Simplify right side
   90,840.96x = 7,787,550,667.89
5. Step 5: Solve for x
   x = 7,787,550,667.89/90,840.96
6. Step 6: Final answer
   x = 85,727.30