Finding the Fourth Proportional to 7,156.41, 9,876.56 and 4,012.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,156.41 : 9,876.56 = 4,012.59 : x
2. Step 2: Convert to fraction form
   7,156.41/9,876.56 = 4,012.59/x
3. Step 3: Cross multiply
   7,156.41x = 9,876.56 × 4,012.59
4. Step 4: Simplify right side
   7,156.41x = 39,630,585.89
5. Step 5: Solve for x
   x = 39,630,585.89/7,156.41
6. Step 6: Final answer
   x = 5,537.77