Finding the Fourth Proportional to 8,404,405.20, 12,604,858.20 and 3,612,250.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,404,405.20 : 12,604,858.20 = 3,612,250.80 : x
2. Step 2: Convert to fraction form
   8,404,405.20/12,604,858.20 = 3,612,250.80/x
3. Step 3: Cross multiply
   8,404,405.20x = 12,604,858.20 × 3,612,250.80
4. Step 4: Simplify right side
   8,404,405.20x = 45,531,909,116,836.55
5. Step 5: Solve for x
   x = 45,531,909,116,836.55/8,404,405.20
6. Step 6: Final answer
   x = 5,417,624.21