Finding the Fourth Proportional to 10,870.45, 14,997.62 and 7,512.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.45 : 14,997.62 = 7,512.05 : x
2. Step 2: Convert to fraction form
   10,870.45/14,997.62 = 7,512.05/x
3. Step 3: Cross multiply
   10,870.45x = 14,997.62 × 7,512.05
4. Step 4: Simplify right side
   10,870.45x = 112,662,927.60
5. Step 5: Solve for x
   x = 112,662,927.60/10,870.45
6. Step 6: Final answer
   x = 10,364.15