Finding the Fourth Proportional to 11,902.72, 16,412.27 and 7,590.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,902.72 : 16,412.27 = 7,590.05 : x
2. Step 2: Convert to fraction form
   11,902.72/16,412.27 = 7,590.05/x
3. Step 3: Cross multiply
   11,902.72x = 16,412.27 × 7,590.05
4. Step 4: Simplify right side
   11,902.72x = 124,570,026.46
5. Step 5: Solve for x
   x = 124,570,026.46/11,902.72
6. Step 6: Final answer
   x = 10,465.68