Finding the Fourth Proportional to 13,377.29, 18,460.61 and 7,712.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,377.29 : 18,460.61 = 7,712.00 : x
2. Step 2: Convert to fraction form
   13,377.29/18,460.61 = 7,712.00/x
3. Step 3: Cross multiply
   13,377.29x = 18,460.61 × 7,712.00
4. Step 4: Simplify right side
   13,377.29x = 142,368,093.46
5. Step 5: Solve for x
   x = 142,368,093.46/13,377.29
6. Step 6: Final answer
   x = 10,642.53