Finding the Fourth Proportional to 42,918.66, 59,203.31 and 34,430.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,918.66 : 59,203.31 = 34,430.27 : x
2. Step 2: Convert to fraction form
   42,918.66/59,203.31 = 34,430.27/x
3. Step 3: Cross multiply
   42,918.66x = 59,203.31 × 34,430.27
4. Step 4: Simplify right side
   42,918.66x = 2,038,385,480.03
5. Step 5: Solve for x
   x = 2,038,385,480.03/42,918.66
6. Step 6: Final answer
   x = 47,494.15