Finding the Fourth Proportional to 13,970.45, 19,278.84 and 7,682.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,970.45 : 19,278.84 = 7,682.83 : x
2. Step 2: Convert to fraction form
   13,970.45/19,278.84 = 7,682.83/x
3. Step 3: Cross multiply
   13,970.45x = 19,278.84 × 7,682.83
4. Step 4: Simplify right side
   13,970.45x = 148,116,002.12
5. Step 5: Solve for x
   x = 148,116,002.12/13,970.45
6. Step 6: Final answer
   x = 10,602.09