Finding the Fourth Proportional to 11,312.58, 16,970.50 and 3,522.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,312.58 : 16,970.50 = 3,522.18 : x
2. Step 2: Convert to fraction form
   11,312.58/16,970.50 = 3,522.18/x
3. Step 3: Cross multiply
   11,312.58x = 16,970.50 × 3,522.18
4. Step 4: Simplify right side
   11,312.58x = 59,773,155.69
5. Step 5: Solve for x
   x = 59,773,155.69/11,312.58
6. Step 6: Final answer
   x = 5,283.78