Finding the Fourth Proportional to 112,974.38, 169,461.52 and 42,853.69

Step by Step Solution

1. Step 1: Write the proportion equation
   112,974.38 : 169,461.52 = 42,853.69 : x
2. Step 2: Convert to fraction form
   112,974.38/169,461.52 = 42,853.69/x
3. Step 3: Cross multiply
   112,974.38x = 169,461.52 × 42,853.69
4. Step 4: Simplify right side
   112,974.38x = 7,262,051,549.70
5. Step 5: Solve for x
   x = 7,262,051,549.70/112,974.38
6. Step 6: Final answer
   x = 64,280.52