Finding the Fourth Proportional to 40,850.83, 61,328.72 and 31,496.79

Step by Step Solution

1. Step 1: Write the proportion equation
   40,850.83 : 61,328.72 = 31,496.79 : x
2. Step 2: Convert to fraction form
   40,850.83/61,328.72 = 31,496.79/x
3. Step 3: Cross multiply
   40,850.83x = 61,328.72 × 31,496.79
4. Step 4: Simplify right side
   40,850.83x = 1,931,657,814.81
5. Step 5: Solve for x
   x = 1,931,657,814.81/40,850.83
6. Step 6: Final answer
   x = 47,285.64