Finding the Fourth Proportional to 11,905,269.63, 17,860,902.86 and 3,385,606.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,905,269.63 : 17,860,902.86 = 3,385,606.10 : x
2. Step 2: Convert to fraction form
   11,905,269.63/17,860,902.86 = 3,385,606.10/x
3. Step 3: Cross multiply
   11,905,269.63x = 17,860,902.86 × 3,385,606.10
4. Step 4: Simplify right side
   11,905,269.63x = 60,469,981,568,090.91
5. Step 5: Solve for x
   x = 60,469,981,568,090.91/11,905,269.63
6. Step 6: Final answer
   x = 5,079,261.83