Finding the Fourth Proportional to 9,264.51, 12,785.18 and 5,072.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,264.51 : 12,785.18 = 5,072.49 : x
2. Step 2: Convert to fraction form
   9,264.51/12,785.18 = 5,072.49/x
3. Step 3: Cross multiply
   9,264.51x = 12,785.18 × 5,072.49
4. Step 4: Simplify right side
   9,264.51x = 64,852,672.34
5. Step 5: Solve for x
   x = 64,852,672.34/9,264.51
6. Step 6: Final answer
   x = 7,000.12