Finding the Fourth Proportional to 42,802.30, 60,010.70 and 42,802.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,802.30 : 60,010.70 = 42,802.30 : x
2. Step 2: Convert to fraction form
   42,802.30/60,010.70 = 42,802.30/x
3. Step 3: Cross multiply
   42,802.30x = 60,010.70 × 42,802.30
4. Step 4: Simplify right side
   42,802.30x = 2,568,595,984.61
5. Step 5: Solve for x
   x = 2,568,595,984.61/42,802.30
6. Step 6: Final answer
   x = 60,010.70