Finding the Fourth Proportional to 19,614.16, 29,426.72 and 7,935.60

Step by Step Solution

1. Step 1: Write the proportion equation
   19,614.16 : 29,426.72 = 7,935.60 : x
2. Step 2: Convert to fraction form
   19,614.16/29,426.72 = 7,935.60/x
3. Step 3: Cross multiply
   19,614.16x = 29,426.72 × 7,935.60
4. Step 4: Simplify right side
   19,614.16x = 233,518,679.23
5. Step 5: Solve for x
   x = 233,518,679.23/19,614.16
6. Step 6: Final answer
   x = 11,905.62