Finding the Fourth Proportional to 65,141.42, 89,925.80 and 49,014.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,141.42 : 89,925.80 = 49,014.72 : x
2. Step 2: Convert to fraction form
   65,141.42/89,925.80 = 49,014.72/x
3. Step 3: Cross multiply
   65,141.42x = 89,925.80 × 49,014.72
4. Step 4: Simplify right side
   65,141.42x = 4,407,687,662.70
5. Step 5: Solve for x
   x = 4,407,687,662.70/65,141.42
6. Step 6: Final answer
   x = 67,663.37