Finding the Fourth Proportional to 81,983.34, 122,861.43 and 46,848.78

Step by Step Solution

1. Step 1: Write the proportion equation
   81,983.34 : 122,861.43 = 46,848.78 : x
2. Step 2: Convert to fraction form
   81,983.34/122,861.43 = 46,848.78/x
3. Step 3: Cross multiply
   81,983.34x = 122,861.43 × 46,848.78
4. Step 4: Simplify right side
   81,983.34x = 5,755,908,104.56
5. Step 5: Solve for x
   x = 5,755,908,104.56/81,983.34
6. Step 6: Final answer
   x = 70,208.27