Finding the Fourth Proportional to 43,217,510.28, 64,802,334.06 and 17,676,456

Step by Step Solution

1. Step 1: Write the proportion equation
   43,217,510.28 : 64,802,334.06 = 17,676,456 : x
2. Step 2: Convert to fraction form
   43,217,510.28/64,802,334.06 = 17,676,456/x
3. Step 3: Cross multiply
   43,217,510.28x = 64,802,334.06 × 17,676,456
4. Step 4: Simplify right side
   43,217,510.28x = 1,145,475,606,708,891.50
5. Step 5: Solve for x
   x = 1,145,475,606,708,891.50/43,217,510.28
6. Step 6: Final answer
   x = 26,504,895.80