Finding the Fourth Proportional to 42,540.75, 58,690.49 and 42,475.14

Step by Step Solution

1. Step 1: Write the proportion equation
   42,540.75 : 58,690.49 = 42,475.14 : x
2. Step 2: Convert to fraction form
   42,540.75/58,690.49 = 42,475.14/x
3. Step 3: Cross multiply
   42,540.75x = 58,690.49 × 42,475.14
4. Step 4: Simplify right side
   42,540.75x = 2,492,886,779.42
5. Step 5: Solve for x
   x = 2,492,886,779.42/42,540.75
6. Step 6: Final answer
   x = 58,599.97