Finding the Fourth Proportional to 59,328, 88,913.28 and 49,486.56

Step by Step Solution

1. Step 1: Write the proportion equation
   59,328 : 88,913.28 = 49,486.56 : x
2. Step 2: Convert to fraction form
   59,328/88,913.28 = 49,486.56/x
3. Step 3: Cross multiply
   59,328x = 88,913.28 × 49,486.56
4. Step 4: Simplify right side
   59,328x = 4,400,012,365.52
5. Step 5: Solve for x
   x = 4,400,012,365.52/59,328
6. Step 6: Final answer
   x = 74,164.18