Finding the Fourth Proportional to 123,377.70, 185,152.95 and 53,307.30

Step by Step Solution

1. Step 1: Write the proportion equation
   123,377.70 : 185,152.95 = 53,307.30 : x
2. Step 2: Convert to fraction form
   123,377.70/185,152.95 = 53,307.30/x
3. Step 3: Cross multiply
   123,377.70x = 185,152.95 × 53,307.30
4. Step 4: Simplify right side
   123,377.70x = 9,870,003,851.54
5. Step 5: Solve for x
   x = 9,870,003,851.54/123,377.70
6. Step 6: Final answer
   x = 79,998.28