Finding the Fourth Proportional to 12,926,443.75, 19,389,499.54 and 4,294,513.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,926,443.75 : 19,389,499.54 = 4,294,513.31 : x
2. Step 2: Convert to fraction form
   12,926,443.75/19,389,499.54 = 4,294,513.31/x
3. Step 3: Cross multiply
   12,926,443.75x = 19,389,499.54 × 4,294,513.31
4. Step 4: Simplify right side
   12,926,443.75x = 83,268,463,741,085.09
5. Step 5: Solve for x
   x = 83,268,463,741,085.09/12,926,443.75
6. Step 6: Final answer
   x = 6,441,714.78