Finding the Fourth Proportional to 271,819.63, 407,567.94 and 103,352.28

Step by Step Solution

1. Step 1: Write the proportion equation
   271,819.63 : 407,567.94 = 103,352.28 : x
2. Step 2: Convert to fraction form
   271,819.63/407,567.94 = 103,352.28/x
3. Step 3: Cross multiply
   271,819.63x = 407,567.94 × 103,352.28
4. Step 4: Simplify right side
   271,819.63x = 42,123,075,853.90
5. Step 5: Solve for x
   x = 42,123,075,853.90/271,819.63
6. Step 6: Final answer
   x = 154,967.01