Finding the Fourth Proportional to 21,353,596.80, 32,023,776.66 and 7,704,978.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,353,596.80 : 32,023,776.66 = 7,704,978.12 : x
2. Step 2: Convert to fraction form
   21,353,596.80/32,023,776.66 = 7,704,978.12/x
3. Step 3: Cross multiply
   21,353,596.80x = 32,023,776.66 × 7,704,978.12
4. Step 4: Simplify right side
   21,353,596.80x = 246,742,498,485,066.69
5. Step 5: Solve for x
   x = 246,742,498,485,066.69/21,353,596.80
6. Step 6: Final answer
   x = 11,555,079.02