Finding the Fourth Proportional to 49,293.69, 68,075.01 and 31,396.74

Step by Step Solution

1. Step 1: Write the proportion equation
   49,293.69 : 68,075.01 = 31,396.74 : x
2. Step 2: Convert to fraction form
   49,293.69/68,075.01 = 31,396.74/x
3. Step 3: Cross multiply
   49,293.69x = 68,075.01 × 31,396.74
4. Step 4: Simplify right side
   49,293.69x = 2,137,333,389.47
5. Step 5: Solve for x
   x = 2,137,333,389.47/49,293.69
6. Step 6: Final answer
   x = 43,359.17