Finding the Fourth Proportional to 9,102.93, 12,535.61 and 7,907.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,102.93 : 12,535.61 = 7,907.37 : x
2. Step 2: Convert to fraction form
   9,102.93/12,535.61 = 7,907.37/x
3. Step 3: Cross multiply
   9,102.93x = 12,535.61 × 7,907.37
4. Step 4: Simplify right side
   9,102.93x = 99,123,666.91
5. Step 5: Solve for x
   x = 99,123,666.91/9,102.93
6. Step 6: Final answer
   x = 10,889.20