Finding the Fourth Proportional to 11,570.86, 17,349.72 and 3,671.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,570.86 : 17,349.72 = 3,671.88 : x
2. Step 2: Convert to fraction form
   11,570.86/17,349.72 = 3,671.88/x
3. Step 3: Cross multiply
   11,570.86x = 17,349.72 × 3,671.88
4. Step 4: Simplify right side
   11,570.86x = 63,706,089.87
5. Step 5: Solve for x
   x = 63,706,089.87/11,570.86
6. Step 6: Final answer
   x = 5,505.74