Finding the Fourth Proportional to 8,196,698.81, 12,295,638.71 and 3,148,009.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196,698.81 : 12,295,638.71 = 3,148,009.31 : x
2. Step 2: Convert to fraction form
   8,196,698.81/12,295,638.71 = 3,148,009.31/x
3. Step 3: Cross multiply
   8,196,698.81x = 12,295,638.71 × 3,148,009.31
4. Step 4: Simplify right side
   8,196,698.81x = 38,706,785,158,280.48
5. Step 5: Solve for x
   x = 38,706,785,158,280.48/8,196,698.81
6. Step 6: Final answer
   x = 4,722,240.75