Finding the Fourth Proportional to 5,042.56, 7,531.56 and 4,003.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,042.56 : 7,531.56 = 4,003.76 : x
2. Step 2: Convert to fraction form
   5,042.56/7,531.56 = 4,003.76/x
3. Step 3: Cross multiply
   5,042.56x = 7,531.56 × 4,003.76
4. Step 4: Simplify right side
   5,042.56x = 30,154,558.67
5. Step 5: Solve for x
   x = 30,154,558.67/5,042.56
6. Step 6: Final answer
   x = 5,980.01