Finding the Fourth Proportional to 13,875.59, 19,147.93 and 7,587.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,875.59 : 19,147.93 = 7,587.56 : x
2. Step 2: Convert to fraction form
   13,875.59/19,147.93 = 7,587.56/x
3. Step 3: Cross multiply
   13,875.59x = 19,147.93 × 7,587.56
4. Step 4: Simplify right side
   13,875.59x = 145,286,096.65
5. Step 5: Solve for x
   x = 145,286,096.65/13,875.59
6. Step 6: Final answer
   x = 10,470.62