Finding the Fourth Proportional to 43,333.84, 64,900.32 and 31,618

Step by Step Solution

1. Step 1: Write the proportion equation
   43,333.84 : 64,900.32 = 31,618 : x
2. Step 2: Convert to fraction form
   43,333.84/64,900.32 = 31,618/x
3. Step 3: Cross multiply
   43,333.84x = 64,900.32 × 31,618
4. Step 4: Simplify right side
   43,333.84x = 2,052,018,317.76
5. Step 5: Solve for x
   x = 2,052,018,317.76/43,333.84
6. Step 6: Final answer
   x = 47,353.72