Finding the Fourth Proportional to 2,731,072.16, 4,095,298.67 and 1,290,556.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731,072.16 : 4,095,298.67 = 1,290,556.55 : x
2. Step 2: Convert to fraction form
   2,731,072.16/4,095,298.67 = 1,290,556.55/x
3. Step 3: Cross multiply
   2,731,072.16x = 4,095,298.67 × 1,290,556.55
4. Step 4: Simplify right side
   2,731,072.16x = 5,285,214,495,845.51
5. Step 5: Solve for x
   x = 5,285,214,495,845.51/2,731,072.16
6. Step 6: Final answer
   x = 1,935,215.99