Finding the Fourth Proportional to 8,541.98, 12,756.31 and 7,374.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,541.98 : 12,756.31 = 7,374.86 : x
2. Step 2: Convert to fraction form
   8,541.98/12,756.31 = 7,374.86/x
3. Step 3: Cross multiply
   8,541.98x = 12,756.31 × 7,374.86
4. Step 4: Simplify right side
   8,541.98x = 94,076,000.37
5. Step 5: Solve for x
   x = 94,076,000.37/8,541.98
6. Step 6: Final answer
   x = 11,013.37