Finding the Fourth Proportional to 12,889.94, 17,788.12 and 7,300.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,889.94 : 17,788.12 = 7,300.94 : x
2. Step 2: Convert to fraction form
   12,889.94/17,788.12 = 7,300.94/x
3. Step 3: Cross multiply
   12,889.94x = 17,788.12 × 7,300.94
4. Step 4: Simplify right side
   12,889.94x = 129,869,915.86
5. Step 5: Solve for x
   x = 129,869,915.86/12,889.94
6. Step 6: Final answer
   x = 10,075.29