Finding the Fourth Proportional to 83,970.69, 125,951.72 and 31,376.04

Step by Step Solution

1. Step 1: Write the proportion equation
   83,970.69 : 125,951.72 = 31,376.04 : x
2. Step 2: Convert to fraction form
   83,970.69/125,951.72 = 31,376.04/x
3. Step 3: Cross multiply
   83,970.69x = 125,951.72 × 31,376.04
4. Step 4: Simplify right side
   83,970.69x = 3,951,866,047.91
5. Step 5: Solve for x
   x = 3,951,866,047.91/83,970.69
6. Step 6: Final answer
   x = 47,062.45