Finding the Fourth Proportional to 61,978.68, 85,528.17 and 33,683.76

Step by Step Solution

1. Step 1: Write the proportion equation
   61,978.68 : 85,528.17 = 33,683.76 : x
2. Step 2: Convert to fraction form
   61,978.68/85,528.17 = 33,683.76/x
3. Step 3: Cross multiply
   61,978.68x = 85,528.17 × 33,683.76
4. Step 4: Simplify right side
   61,978.68x = 2,880,910,351.52
5. Step 5: Solve for x
   x = 2,880,910,351.52/61,978.68
6. Step 6: Final answer
   x = 46,482.28