Finding the Fourth Proportional to 10,487.07, 15,698.03 and 7,838.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,487.07 : 15,698.03 = 7,838.96 : x
2. Step 2: Convert to fraction form
   10,487.07/15,698.03 = 7,838.96/x
3. Step 3: Cross multiply
   10,487.07x = 15,698.03 × 7,838.96
4. Step 4: Simplify right side
   10,487.07x = 123,056,111.56
5. Step 5: Solve for x
   x = 123,056,111.56/10,487.07
6. Step 6: Final answer
   x = 11,734.08