Finding the Fourth Proportional to 8,060.42, 12,085.70 and 7,372.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,060.42 : 12,085.70 = 7,372.88 : x
2. Step 2: Convert to fraction form
   8,060.42/12,085.70 = 7,372.88/x
3. Step 3: Cross multiply
   8,060.42x = 12,085.70 × 7,372.88
4. Step 4: Simplify right side
   8,060.42x = 89,106,415.82
5. Step 5: Solve for x
   x = 89,106,415.82/8,060.42
6. Step 6: Final answer
   x = 11,054.81