Finding the Fourth Proportional to 55,981.82, 77,258.16 and 42,159.41

Step by Step Solution

1. Step 1: Write the proportion equation
   55,981.82 : 77,258.16 = 42,159.41 : x
2. Step 2: Convert to fraction form
   55,981.82/77,258.16 = 42,159.41/x
3. Step 3: Cross multiply
   55,981.82x = 77,258.16 × 42,159.41
4. Step 4: Simplify right side
   55,981.82x = 3,257,158,056.99
5. Step 5: Solve for x
   x = 3,257,158,056.99/55,981.82
6. Step 6: Final answer
   x = 58,182.43