Finding the Fourth Proportional to 61,678.72, 85,116.54 and 33,384.52

Step by Step Solution

1. Step 1: Write the proportion equation
   61,678.72 : 85,116.54 = 33,384.52 : x
2. Step 2: Convert to fraction form
   61,678.72/85,116.54 = 33,384.52/x
3. Step 3: Cross multiply
   61,678.72x = 85,116.54 × 33,384.52
4. Step 4: Simplify right side
   61,678.72x = 2,841,574,831.96
5. Step 5: Solve for x
   x = 2,841,574,831.96/61,678.72
6. Step 6: Final answer
   x = 46,070.59