Finding the Fourth Proportional to 45,820.12, 63,231.38 and 42,058.48

Step by Step Solution

1. Step 1: Write the proportion equation
   45,820.12 : 63,231.38 = 42,058.48 : x
2. Step 2: Convert to fraction form
   45,820.12/63,231.38 = 42,058.48/x
3. Step 3: Cross multiply
   45,820.12x = 63,231.38 × 42,058.48
4. Step 4: Simplify right side
   45,820.12x = 2,659,415,731.10
5. Step 5: Solve for x
   x = 2,659,415,731.10/45,820.12
6. Step 6: Final answer
   x = 58,040.35