Finding the Fourth Proportional to 45,441,290.42, 68,079,733.83 and 20,869,771.31

Step by Step Solution

1. Step 1: Write the proportion equation
   45,441,290.42 : 68,079,733.83 = 20,869,771.31 : x
2. Step 2: Convert to fraction form
   45,441,290.42/68,079,733.83 = 20,869,771.31/x
3. Step 3: Cross multiply
   45,441,290.42x = 68,079,733.83 × 20,869,771.31
4. Step 4: Simplify right side
   45,441,290.42x = 1,420,808,475,877,770.25
5. Step 5: Solve for x
   x = 1,420,808,475,877,770.25/45,441,290.42
6. Step 6: Final answer
   x = 31,266,904.24