Finding the Fourth Proportional to 12,886.96, 17,783.52 and 7,298.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,886.96 : 17,783.52 = 7,298.08 : x
2. Step 2: Convert to fraction form
   12,886.96/17,783.52 = 7,298.08/x
3. Step 3: Cross multiply
   12,886.96x = 17,783.52 × 7,298.08
4. Step 4: Simplify right side
   12,886.96x = 129,785,551.64
5. Step 5: Solve for x
   x = 129,785,551.64/12,886.96
6. Step 6: Final answer
   x = 10,071.08