Finding the Fourth Proportional to 10,053.66, 15,085.57 and 4,787.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,053.66 : 15,085.57 = 4,787.69 : x
2. Step 2: Convert to fraction form
   10,053.66/15,085.57 = 4,787.69/x
3. Step 3: Cross multiply
   10,053.66x = 15,085.57 × 4,787.69
4. Step 4: Simplify right side
   10,053.66x = 72,225,032.63
5. Step 5: Solve for x
   x = 72,225,032.63/10,053.66
6. Step 6: Final answer
   x = 7,183.95