Finding the Fourth Proportional to 12,785,915.88, 17,648,768.81 and 10,177,205.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,785,915.88 : 17,648,768.81 = 10,177,205.16 : x
2. Step 2: Convert to fraction form
   12,785,915.88/17,648,768.81 = 10,177,205.16/x
3. Step 3: Cross multiply
   12,785,915.88x = 17,648,768.81 × 10,177,205.16
4. Step 4: Simplify right side
   12,785,915.88x = 179,615,141,000,779.06
5. Step 5: Solve for x
   x = 179,615,141,000,779.06/12,785,915.88
6. Step 6: Final answer
   x = 14,047,890.09