Finding the Fourth Proportional to 13,093.89, 19,628.91 and 4,772.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,093.89 : 19,628.91 = 4,772.00 : x
2. Step 2: Convert to fraction form
   13,093.89/19,628.91 = 4,772.00/x
3. Step 3: Cross multiply
   13,093.89x = 19,628.91 × 4,772.00
4. Step 4: Simplify right side
   13,093.89x = 93,669,207.59
5. Step 5: Solve for x
   x = 93,669,207.59/13,093.89
6. Step 6: Final answer
   x = 7,153.66