Finding the Fourth Proportional to 13,980.83, 19,293.39 and 7,607.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,980.83 : 19,293.39 = 7,607.61 : x
2. Step 2: Convert to fraction form
   13,980.83/19,293.39 = 7,607.61/x
3. Step 3: Cross multiply
   13,980.83x = 19,293.39 × 7,607.61
4. Step 4: Simplify right side
   13,980.83x = 146,776,586.70
5. Step 5: Solve for x
   x = 146,776,586.70/13,980.83
6. Step 6: Final answer
   x = 10,498.42