Finding the Fourth Proportional to 41,670.79, 62,506.82 and 13,590.72

Step by Step Solution

1. Step 1: Write the proportion equation
   41,670.79 : 62,506.82 = 13,590.72 : x
2. Step 2: Convert to fraction form
   41,670.79/62,506.82 = 13,590.72/x
3. Step 3: Cross multiply
   41,670.79x = 62,506.82 × 13,590.72
4. Step 4: Simplify right side
   41,670.79x = 849,512,722.69
5. Step 5: Solve for x
   x = 849,512,722.69/41,670.79
6. Step 6: Final answer
   x = 20,386.29