Finding the Fourth Proportional to 19,457.84, 29,191.56 and 5,606.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,457.84 : 29,191.56 = 5,606.72 : x
2. Step 2: Convert to fraction form
   19,457.84/29,191.56 = 5,606.72/x
3. Step 3: Cross multiply
   19,457.84x = 29,191.56 × 5,606.72
4. Step 4: Simplify right side
   19,457.84x = 163,668,903.28
5. Step 5: Solve for x
   x = 163,668,903.28/19,457.84
6. Step 6: Final answer
   x = 8,411.46