Finding the Fourth Proportional to 45,317.22, 62,512.56 and 42,109.90

Step by Step Solution

1. Step 1: Write the proportion equation
   45,317.22 : 62,512.56 = 42,109.90 : x
2. Step 2: Convert to fraction form
   45,317.22/62,512.56 = 42,109.90/x
3. Step 3: Cross multiply
   45,317.22x = 62,512.56 × 42,109.90
4. Step 4: Simplify right side
   45,317.22x = 2,632,397,650.34
5. Step 5: Solve for x
   x = 2,632,397,650.34/45,317.22
6. Step 6: Final answer
   x = 58,088.24