Finding the Fourth Proportional to 71,634.29, 98,830.06 and 40,985

Step by Step Solution

1. Step 1: Write the proportion equation
   71,634.29 : 98,830.06 = 40,985 : x
2. Step 2: Convert to fraction form
   71,634.29/98,830.06 = 40,985/x
3. Step 3: Cross multiply
   71,634.29x = 98,830.06 × 40,985
4. Step 4: Simplify right side
   71,634.29x = 4,050,550,009.10
5. Step 5: Solve for x
   x = 4,050,550,009.10/71,634.29
6. Step 6: Final answer
   x = 56,544.85