Finding the Fourth Proportional to 9,300.40, 12,834.64 and 5,051.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.40 : 12,834.64 = 5,051.50 : x
2. Step 2: Convert to fraction form
   9,300.40/12,834.64 = 5,051.50/x
3. Step 3: Cross multiply
   9,300.40x = 12,834.64 × 5,051.50
4. Step 4: Simplify right side
   9,300.40x = 64,834,140.69
5. Step 5: Solve for x
   x = 64,834,140.69/9,300.40
6. Step 6: Final answer
   x = 6,971.12