Finding the Fourth Proportional to 11,903.04, 16,423.83 and 7,187.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,903.04 : 16,423.83 = 7,187.58 : x
2. Step 2: Convert to fraction form
   11,903.04/16,423.83 = 7,187.58/x
3. Step 3: Cross multiply
   11,903.04x = 16,423.83 × 7,187.58
4. Step 4: Simplify right side
   11,903.04x = 118,047,592.03
5. Step 5: Solve for x
   x = 118,047,592.03/11,903.04
6. Step 6: Final answer
   x = 9,917.43