Finding the Fourth Proportional to 12,476.83, 18,699.10 and 5,072.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,476.83 : 18,699.10 = 5,072.71 : x
2. Step 2: Convert to fraction form
   12,476.83/18,699.10 = 5,072.71/x
3. Step 3: Cross multiply
   12,476.83x = 18,699.10 × 5,072.71
4. Step 4: Simplify right side
   12,476.83x = 94,855,005.38
5. Step 5: Solve for x
   x = 94,855,005.38/12,476.83
6. Step 6: Final answer
   x = 7,602.50