Finding the Fourth Proportional to 31,055,241.18, 42,865,940.16 and 20,042,012.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,055,241.18 : 42,865,940.16 = 20,042,012.18 : x
2. Step 2: Convert to fraction form
   31,055,241.18/42,865,940.16 = 20,042,012.18/x
3. Step 3: Cross multiply
   31,055,241.18x = 42,865,940.16 × 20,042,012.18
4. Step 4: Simplify right side
   31,055,241.18x = 859,119,694,793,871.12
5. Step 5: Solve for x
   x = 859,119,694,793,871.12/31,055,241.18
6. Step 6: Final answer
   x = 27,664,241.59