Finding the Fourth Proportional to 83,858.31, 125,809.34 and 31,268.25

Step by Step Solution

1. Step 1: Write the proportion equation
   83,858.31 : 125,809.34 = 31,268.25 : x
2. Step 2: Convert to fraction form
   83,858.31/125,809.34 = 31,268.25/x
3. Step 3: Cross multiply
   83,858.31x = 125,809.34 × 31,268.25
4. Step 4: Simplify right side
   83,858.31x = 3,933,837,895.46
5. Step 5: Solve for x
   x = 3,933,837,895.46/83,858.31
6. Step 6: Final answer
   x = 46,910.53