Finding the Fourth Proportional to 74,660.08, 103,026.72 and 42,826

Step by Step Solution

1. Step 1: Write the proportion equation
   74,660.08 : 103,026.72 = 42,826 : x
2. Step 2: Convert to fraction form
   74,660.08/103,026.72 = 42,826/x
3. Step 3: Cross multiply
   74,660.08x = 103,026.72 × 42,826
4. Step 4: Simplify right side
   74,660.08x = 4,412,222,310.72
5. Step 5: Solve for x
   x = 4,412,222,310.72/74,660.08
6. Step 6: Final answer
   x = 59,097.48