Finding the Fourth Proportional to 49,159.71, 73,813.41 and 28,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,159.71 : 73,813.41 = 28,123.50 : x
2. Step 2: Convert to fraction form
   49,159.71/73,813.41 = 28,123.50/x
3. Step 3: Cross multiply
   49,159.71x = 73,813.41 × 28,123.50
4. Step 4: Simplify right side
   49,159.71x = 2,075,891,712.94
5. Step 5: Solve for x
   x = 2,075,891,712.94/49,159.71
6. Step 6: Final answer
   x = 42,227.50