Finding the Fourth Proportional to 12,970.56, 17,901.84 and 7,667.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,970.56 : 17,901.84 = 7,667.04 : x
2. Step 2: Convert to fraction form
   12,970.56/17,901.84 = 7,667.04/x
3. Step 3: Cross multiply
   12,970.56x = 17,901.84 × 7,667.04
4. Step 4: Simplify right side
   12,970.56x = 137,254,123.35
5. Step 5: Solve for x
   x = 137,254,123.35/12,970.56
6. Step 6: Final answer
   x = 10,581.97