Finding the Fourth Proportional to 31,007,417, 42,789,817.50 and 17,256,377.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,007,417 : 42,789,817.50 = 17,256,377.48 : x
2. Step 2: Convert to fraction form
   31,007,417/42,789,817.50 = 17,256,377.48/x
3. Step 3: Cross multiply
   31,007,417x = 42,789,817.50 × 17,256,377.48
4. Step 4: Simplify right side
   31,007,417x = 738,397,243,080,309.88
5. Step 5: Solve for x
   x = 738,397,243,080,309.88/31,007,417
6. Step 6: Final answer
   x = 23,813,568.32