Finding the Fourth Proportional to 61,308.76, 91,916.53 and 31,707.73

Step by Step Solution

1. Step 1: Write the proportion equation
   61,308.76 : 91,916.53 = 31,707.73 : x
2. Step 2: Convert to fraction form
   61,308.76/91,916.53 = 31,707.73/x
3. Step 3: Cross multiply
   61,308.76x = 91,916.53 × 31,707.73
4. Step 4: Simplify right side
   61,308.76x = 2,914,464,515.78
5. Step 5: Solve for x
   x = 2,914,464,515.78/61,308.76
6. Step 6: Final answer
   x = 47,537.49