Finding the Fourth Proportional to 61,978.92, 85,532.58 and 33,686.52

Step by Step Solution

1. Step 1: Write the proportion equation
   61,978.92 : 85,532.58 = 33,686.52 : x
2. Step 2: Convert to fraction form
   61,978.92/85,532.58 = 33,686.52/x
3. Step 3: Cross multiply
   61,978.92x = 85,532.58 × 33,686.52
4. Step 4: Simplify right side
   61,978.92x = 2,881,294,966.82
5. Step 5: Solve for x
   x = 2,881,294,966.82/61,978.92
6. Step 6: Final answer
   x = 46,488.31