Finding the Fourth Proportional to 19,429.61, 29,158.59 and 7,746.17

Step by Step Solution

1. Step 1: Write the proportion equation
   19,429.61 : 29,158.59 = 7,746.17 : x
2. Step 2: Convert to fraction form
   19,429.61/29,158.59 = 7,746.17/x
3. Step 3: Cross multiply
   19,429.61x = 29,158.59 × 7,746.17
4. Step 4: Simplify right side
   19,429.61x = 225,867,395.10
5. Step 5: Solve for x
   x = 225,867,395.10/19,429.61
6. Step 6: Final answer
   x = 11,624.91