Finding the Fourth Proportional to 61,690.02, 85,131.84 and 33,395.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,690.02 : 85,131.84 = 33,395.50 : x
2. Step 2: Convert to fraction form
   61,690.02/85,131.84 = 33,395.50/x
3. Step 3: Cross multiply
   61,690.02x = 85,131.84 × 33,395.50
4. Step 4: Simplify right side
   61,690.02x = 2,843,020,362.72
5. Step 5: Solve for x
   x = 2,843,020,362.72/61,690.02
6. Step 6: Final answer
   x = 46,085.58