Finding the Fourth Proportional to 278,399.77, 384,192.69 and 151,075.33

Step by Step Solution

1. Step 1: Write the proportion equation
   278,399.77 : 384,192.69 = 151,075.33 : x
2. Step 2: Convert to fraction form
   278,399.77/384,192.69 = 151,075.33/x
3. Step 3: Cross multiply
   278,399.77x = 384,192.69 × 151,075.33
4. Step 4: Simplify right side
   278,399.77x = 58,042,035,898.32
5. Step 5: Solve for x
   x = 58,042,035,898.32/278,399.77
6. Step 6: Final answer
   x = 208,484.50