Finding the Fourth Proportional to 13,162,005.75, 19,738,985.89 and 4,640,349.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,162,005.75 : 19,738,985.89 = 4,640,349.31 : x
2. Step 2: Convert to fraction form
   13,162,005.75/19,738,985.89 = 4,640,349.31/x
3. Step 3: Cross multiply
   13,162,005.75x = 19,738,985.89 × 4,640,349.31
4. Step 4: Simplify right side
   13,162,005.75x = 91,595,789,554,761.23
5. Step 5: Solve for x
   x = 91,595,789,554,761.23/13,162,005.75
6. Step 6: Final answer
   x = 6,959,105.72