Finding the Fourth Proportional to 55,894.28, 77,104.38 and 42,443.24

Step by Step Solution

1. Step 1: Write the proportion equation
   55,894.28 : 77,104.38 = 42,443.24 : x
2. Step 2: Convert to fraction form
   55,894.28/77,104.38 = 42,443.24/x
3. Step 3: Cross multiply
   55,894.28x = 77,104.38 × 42,443.24
4. Step 4: Simplify right side
   55,894.28x = 3,272,559,705.39
5. Step 5: Solve for x
   x = 3,272,559,705.39/55,894.28
6. Step 6: Final answer
   x = 58,549.10