Finding the Fourth Proportional to 61,961.63, 85,507.56 and 33,667.31

Step by Step Solution

1. Step 1: Write the proportion equation
   61,961.63 : 85,507.56 = 33,667.31 : x
2. Step 2: Convert to fraction form
   61,961.63/85,507.56 = 33,667.31/x
3. Step 3: Cross multiply
   61,961.63x = 85,507.56 × 33,667.31
4. Step 4: Simplify right side
   61,961.63x = 2,878,809,529.86
5. Step 5: Solve for x
   x = 2,878,809,529.86/61,961.63
6. Step 6: Final answer
   x = 46,461.17