Finding the Fourth Proportional to 45,897.33, 63,287.73 and 31,725.57

Step by Step Solution

1. Step 1: Write the proportion equation
   45,897.33 : 63,287.73 = 31,725.57 : x
2. Step 2: Convert to fraction form
   45,897.33/63,287.73 = 31,725.57/x
3. Step 3: Cross multiply
   45,897.33x = 63,287.73 × 31,725.57
4. Step 4: Simplify right side
   45,897.33x = 2,007,839,308.26
5. Step 5: Solve for x
   x = 2,007,839,308.26/45,897.33
6. Step 6: Final answer
   x = 43,746.32