Finding the Fourth Proportional to 35,737,377.27, 53,470,791.42 and 21,172,116.45

Step by Step Solution

1. Step 1: Write the proportion equation
   35,737,377.27 : 53,470,791.42 = 21,172,116.45 : x
2. Step 2: Convert to fraction form
   35,737,377.27/53,470,791.42 = 21,172,116.45/x
3. Step 3: Cross multiply
   35,737,377.27x = 53,470,791.42 × 21,172,116.45
4. Step 4: Simplify right side
   35,737,377.27x = 1,132,089,822,617,900.75
5. Step 5: Solve for x
   x = 1,132,089,822,617,900.75/35,737,377.27
6. Step 6: Final answer
   x = 31,678,033.17