Finding the Fourth Proportional to 11,591.91, 16,039.01 and 10,102.93

Step by Step Solution

1. Step 1: Write the proportion equation
   11,591.91 : 16,039.01 = 10,102.93 : x
2. Step 2: Convert to fraction form
   11,591.91/16,039.01 = 10,102.93/x
3. Step 3: Cross multiply
   11,591.91x = 16,039.01 × 10,102.93
4. Step 4: Simplify right side
   11,591.91x = 162,040,980.46
5. Step 5: Solve for x
   x = 162,040,980.46/11,591.91
6. Step 6: Final answer
   x = 13,978.80