Finding the Fourth Proportional to 10,897.84, 15,045.06 and 7,499.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,897.84 : 15,045.06 = 7,499.80 : x
2. Step 2: Convert to fraction form
   10,897.84/15,045.06 = 7,499.80/x
3. Step 3: Cross multiply
   10,897.84x = 15,045.06 × 7,499.80
4. Step 4: Simplify right side
   10,897.84x = 112,834,940.99
5. Step 5: Solve for x
   x = 112,834,940.99/10,897.84
6. Step 6: Final answer
   x = 10,353.88