Finding the Fourth Proportional to 8,702.72, 12,006.89 and 4,925.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,702.72 : 12,006.89 = 4,925.51 : x
2. Step 2: Convert to fraction form
   8,702.72/12,006.89 = 4,925.51/x
3. Step 3: Cross multiply
   8,702.72x = 12,006.89 × 4,925.51
4. Step 4: Simplify right side
   8,702.72x = 59,139,972.10
5. Step 5: Solve for x
   x = 59,139,972.10/8,702.72
6. Step 6: Final answer
   x = 6,795.58