Finding the Fourth Proportional to 83,881.64, 125,783.57 and 31,277

Step by Step Solution

1. Step 1: Write the proportion equation
   83,881.64 : 125,783.57 = 31,277 : x
2. Step 2: Convert to fraction form
   83,881.64/125,783.57 = 31,277/x
3. Step 3: Cross multiply
   83,881.64x = 125,783.57 × 31,277
4. Step 4: Simplify right side
   83,881.64x = 3,934,132,718.89
5. Step 5: Solve for x
   x = 3,934,132,718.89/83,881.64
6. Step 6: Final answer
   x = 46,901.00