Finding the Fourth Proportional to 47,959,131.82, 71,907,767.94 and 18,815,916.16

Step by Step Solution

1. Step 1: Write the proportion equation
   47,959,131.82 : 71,907,767.94 = 18,815,916.16 : x
2. Step 2: Convert to fraction form
   47,959,131.82/71,907,767.94 = 18,815,916.16/x
3. Step 3: Cross multiply
   47,959,131.82x = 71,907,767.94 × 18,815,916.16
4. Step 4: Simplify right side
   47,959,131.82x = 1,353,010,532,811,776
5. Step 5: Solve for x
   x = 1,353,010,532,811,776/47,959,131.82
6. Step 6: Final answer
   x = 28,211,739.48