Finding the Fourth Proportional to 12,829,311.48, 17,704,890.72 and 7,028,091.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,829,311.48 : 17,704,890.72 = 7,028,091.84 : x
2. Step 2: Convert to fraction form
   12,829,311.48/17,704,890.72 = 7,028,091.84/x
3. Step 3: Cross multiply
   12,829,311.48x = 17,704,890.72 × 7,028,091.84
4. Step 4: Simplify right side
   12,829,311.48x = 124,431,597,997,323.72
5. Step 5: Solve for x
   x = 124,431,597,997,323.72/12,829,311.48
6. Step 6: Final answer
   x = 9,699,008.26