Finding the Fourth Proportional to 11,322.56, 16,978.38 and 4,746.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,322.56 : 16,978.38 = 4,746.98 : x
2. Step 2: Convert to fraction form
   11,322.56/16,978.38 = 4,746.98/x
3. Step 3: Cross multiply
   11,322.56x = 16,978.38 × 4,746.98
4. Step 4: Simplify right side
   11,322.56x = 80,596,030.29
5. Step 5: Solve for x
   x = 80,596,030.29/11,322.56
6. Step 6: Final answer
   x = 7,118.18