Finding the Fourth Proportional to 52,191, 72,024.84 and 30,970.44

Step by Step Solution

1. Step 1: Write the proportion equation
   52,191 : 72,024.84 = 30,970.44 : x
2. Step 2: Convert to fraction form
   52,191/72,024.84 = 30,970.44/x
3. Step 3: Cross multiply
   52,191x = 72,024.84 × 30,970.44
4. Step 4: Simplify right side
   52,191x = 2,230,640,985.73
5. Step 5: Solve for x
   x = 2,230,640,985.73/52,191
6. Step 6: Final answer
   x = 42,739.95