Finding the Fourth Proportional to 2,359,034.78, 3,537,866.64 and 919,397.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359,034.78 : 3,537,866.64 = 919,397.78 : x
2. Step 2: Convert to fraction form
   2,359,034.78/3,537,866.64 = 919,397.78/x
3. Step 3: Cross multiply
   2,359,034.78x = 3,537,866.64 × 919,397.78
4. Step 4: Simplify right side
   2,359,034.78x = 3,252,706,734,752.06
5. Step 5: Solve for x
   x = 3,252,706,734,752.06/2,359,034.78
6. Step 6: Final answer
   x = 1,378,829.50