Finding the Fourth Proportional to 185,340, 278,012.43 and 60,681

Step by Step Solution

1. Step 1: Write the proportion equation
   185,340 : 278,012.43 = 60,681 : x
2. Step 2: Convert to fraction form
   185,340/278,012.43 = 60,681/x
3. Step 3: Cross multiply
   185,340x = 278,012.43 × 60,681
4. Step 4: Simplify right side
   185,340x = 16,870,072,264.83
5. Step 5: Solve for x
   x = 16,870,072,264.83/185,340
6. Step 6: Final answer
   x = 91,022.30