Finding the Fourth Proportional to 9,327.01, 12,870.88 and 5,134.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,327.01 : 12,870.88 = 5,134.99 : x
2. Step 2: Convert to fraction form
   9,327.01/12,870.88 = 5,134.99/x
3. Step 3: Cross multiply
   9,327.01x = 12,870.88 × 5,134.99
4. Step 4: Simplify right side
   9,327.01x = 66,091,840.09
5. Step 5: Solve for x
   x = 66,091,840.09/9,327.01
6. Step 6: Final answer
   x = 7,086.07