Finding the Fourth Proportional to 16,322,128.80, 24,455,199.60 and 7,784,080.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,322,128.80 : 24,455,199.60 = 7,784,080.80 : x
2. Step 2: Convert to fraction form
   16,322,128.80/24,455,199.60 = 7,784,080.80/x
3. Step 3: Cross multiply
   16,322,128.80x = 24,455,199.60 × 7,784,080.80
4. Step 4: Simplify right side
   16,322,128.80x = 190,361,249,666,527.69
5. Step 5: Solve for x
   x = 190,361,249,666,527.69/16,322,128.80
6. Step 6: Final answer
   x = 11,662,770.95