Finding the Fourth Proportional to 69,957.54, 96,578.33 and 56,196.45

Step by Step Solution

1. Step 1: Write the proportion equation
   69,957.54 : 96,578.33 = 56,196.45 : x
2. Step 2: Convert to fraction form
   69,957.54/96,578.33 = 56,196.45/x
3. Step 3: Cross multiply
   69,957.54x = 96,578.33 × 56,196.45
4. Step 4: Simplify right side
   69,957.54x = 5,427,359,011.95
5. Step 5: Solve for x
   x = 5,427,359,011.95/69,957.54
6. Step 6: Final answer
   x = 77,580.76