Finding the Fourth Proportional to 63,287.32, 87,316.77 and 42,070.18

Step by Step Solution

1. Step 1: Write the proportion equation
   63,287.32 : 87,316.77 = 42,070.18 : x
2. Step 2: Convert to fraction form
   63,287.32/87,316.77 = 42,070.18/x
3. Step 3: Cross multiply
   63,287.32x = 87,316.77 × 42,070.18
4. Step 4: Simplify right side
   63,287.32x = 3,673,432,230.92
5. Step 5: Solve for x
   x = 3,673,432,230.92/63,287.32
6. Step 6: Final answer
   x = 58,043.73