Finding the Fourth Proportional to 19,166.02, 28,744.71 and 5,316.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,166.02 : 28,744.71 = 5,316.10 : x
2. Step 2: Convert to fraction form
   19,166.02/28,744.71 = 5,316.10/x
3. Step 3: Cross multiply
   19,166.02x = 28,744.71 × 5,316.10
4. Step 4: Simplify right side
   19,166.02x = 152,809,752.83
5. Step 5: Solve for x
   x = 152,809,752.83/19,166.02
6. Step 6: Final answer
   x = 7,972.95