Finding the Fourth Proportional to 49,055,381.72, 73,583,351.15 and 12,661,284.15

Step by Step Solution

1. Step 1: Write the proportion equation
   49,055,381.72 : 73,583,351.15 = 12,661,284.15 : x
2. Step 2: Convert to fraction form
   49,055,381.72/73,583,351.15 = 12,661,284.15/x
3. Step 3: Cross multiply
   49,055,381.72x = 73,583,351.15 × 12,661,284.15
4. Step 4: Simplify right side
   49,055,381.72x = 931,659,717,556,072.88
5. Step 5: Solve for x
   x = 931,659,717,556,072.88/49,055,381.72
6. Step 6: Final answer
   x = 18,991,998.13