Finding the Fourth Proportional to 9,145,760.00, 12,620,239.07 and 5,279,526.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,145,760.00 : 12,620,239.07 = 5,279,526.72 : x
2. Step 2: Convert to fraction form
   9,145,760.00/12,620,239.07 = 5,279,526.72/x
3. Step 3: Cross multiply
   9,145,760.00x = 12,620,239.07 × 5,279,526.72
4. Step 4: Simplify right side
   9,145,760.00x = 66,628,889,356,455.31
5. Step 5: Solve for x
   x = 66,628,889,356,455.31/9,145,760.00
6. Step 6: Final answer
   x = 7,285,221.72