Finding the Fourth Proportional to 42,770.67, 64,166.93 and 17,802.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,770.67 : 64,166.93 = 17,802.42 : x
2. Step 2: Convert to fraction form
   42,770.67/64,166.93 = 17,802.42/x
3. Step 3: Cross multiply
   42,770.67x = 64,166.93 × 17,802.42
4. Step 4: Simplify right side
   42,770.67x = 1,142,326,475.23
5. Step 5: Solve for x
   x = 1,142,326,475.23/42,770.67
6. Step 6: Final answer
   x = 26,708.18