Finding the Fourth Proportional to 11,359.58, 15,667.34 and 7,381.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,359.58 : 15,667.34 = 7,381.98 : x
2. Step 2: Convert to fraction form
   11,359.58/15,667.34 = 7,381.98/x
3. Step 3: Cross multiply
   11,359.58x = 15,667.34 × 7,381.98
4. Step 4: Simplify right side
   11,359.58x = 115,655,990.53
5. Step 5: Solve for x
   x = 115,655,990.53/11,359.58
6. Step 6: Final answer
   x = 10,181.36