Finding the Fourth Proportional to 9,152.00, 12,620.32 and 7,830.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,152.00 : 12,620.32 = 7,830.08 : x
2. Step 2: Convert to fraction form
   9,152.00/12,620.32 = 7,830.08/x
3. Step 3: Cross multiply
   9,152.00x = 12,620.32 × 7,830.08
4. Step 4: Simplify right side
   9,152.00x = 98,818,052.12
5. Step 5: Solve for x
   x = 98,818,052.12/9,152.00
6. Step 6: Final answer
   x = 10,797.43