Finding the Fourth Proportional to 8,441,643.18, 12,666,284.73 and 3,322,663.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,441,643.18 : 12,666,284.73 = 3,322,663.50 : x
2. Step 2: Convert to fraction form
   8,441,643.18/12,666,284.73 = 3,322,663.50/x
3. Step 3: Cross multiply
   8,441,643.18x = 12,666,284.73 × 3,322,663.50
4. Step 4: Simplify right side
   8,441,643.18x = 42,085,801,952,978.36
5. Step 5: Solve for x
   x = 42,085,801,952,978.36/8,441,643.18
6. Step 6: Final answer
   x = 4,985,498.80