Finding the Fourth Proportional to 65,345.03, 90,162.37 and 42,717.32

Step by Step Solution

1. Step 1: Write the proportion equation
   65,345.03 : 90,162.37 = 42,717.32 : x
2. Step 2: Convert to fraction form
   65,345.03/90,162.37 = 42,717.32/x
3. Step 3: Cross multiply
   65,345.03x = 90,162.37 × 42,717.32
4. Step 4: Simplify right side
   65,345.03x = 3,851,495,018.82
5. Step 5: Solve for x
   x = 3,851,495,018.82/65,345.03
6. Step 6: Final answer
   x = 58,940.90