Finding the Fourth Proportional to 12,834.61, 17,706.50 and 7,798.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,834.61 : 17,706.50 = 7,798.02 : x
2. Step 2: Convert to fraction form
   12,834.61/17,706.50 = 7,798.02/x
3. Step 3: Cross multiply
   12,834.61x = 17,706.50 × 7,798.02
4. Step 4: Simplify right side
   12,834.61x = 138,075,664.58
5. Step 5: Solve for x
   x = 138,075,664.58/12,834.61
6. Step 6: Final answer
   x = 10,758.07