Finding the Fourth Proportional to 61,852.21, 85,356.06 and 33,557.89

Step by Step Solution

1. Step 1: Write the proportion equation
   61,852.21 : 85,356.06 = 33,557.89 : x
2. Step 2: Convert to fraction form
   61,852.21/85,356.06 = 33,557.89/x
3. Step 3: Cross multiply
   61,852.21x = 85,356.06 × 33,557.89
4. Step 4: Simplify right side
   61,852.21x = 2,864,369,272.31
5. Step 5: Solve for x
   x = 2,864,369,272.31/61,852.21
6. Step 6: Final answer
   x = 46,309.89