Finding the Fourth Proportional to 11,810.60, 16,300.42 and 8,973.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,810.60 : 16,300.42 = 8,973.32 : x
2. Step 2: Convert to fraction form
   11,810.60/16,300.42 = 8,973.32/x
3. Step 3: Cross multiply
   11,810.60x = 16,300.42 × 8,973.32
4. Step 4: Simplify right side
   11,810.60x = 146,268,884.79
5. Step 5: Solve for x
   x = 146,268,884.79/11,810.60
6. Step 6: Final answer
   x = 12,384.54