Finding the Fourth Proportional to 91,672.48, 137,430.30 and 41,734.72

Step by Step Solution

1. Step 1: Write the proportion equation
   91,672.48 : 137,430.30 = 41,734.72 : x
2. Step 2: Convert to fraction form
   91,672.48/137,430.30 = 41,734.72/x
3. Step 3: Cross multiply
   91,672.48x = 137,430.30 × 41,734.72
4. Step 4: Simplify right side
   91,672.48x = 5,735,615,090.02
5. Step 5: Solve for x
   x = 5,735,615,090.02/91,672.48
6. Step 6: Final answer
   x = 62,566.38