Finding the Fourth Proportional to 2,121,120.72, 3,179,794.56 and 773,030.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,121,120.72 : 3,179,794.56 = 773,030.16 : x
2. Step 2: Convert to fraction form
   2,121,120.72/3,179,794.56 = 773,030.16/x
3. Step 3: Cross multiply
   2,121,120.72x = 3,179,794.56 × 773,030.16
4. Step 4: Simplify right side
   2,121,120.72x = 2,458,077,097,483.93
5. Step 5: Solve for x
   x = 2,458,077,097,483.93/2,121,120.72
6. Step 6: Final answer
   x = 1,158,857.71