Finding the Fourth Proportional to 112,838.05, 169,007.49 and 46,075.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,838.05 : 169,007.49 = 46,075.72 : x
2. Step 2: Convert to fraction form
   112,838.05/169,007.49 = 46,075.72/x
3. Step 3: Cross multiply
   112,838.05x = 169,007.49 × 46,075.72
4. Step 4: Simplify right side
   112,838.05x = 7,787,141,787.14
5. Step 5: Solve for x
   x = 7,787,141,787.14/112,838.05
6. Step 6: Final answer
   x = 69,011.67