Finding the Fourth Proportional to 2,231,030.28, 3,078,501.24 and 1,312,713.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231,030.28 : 3,078,501.24 = 1,312,713.48 : x
2. Step 2: Convert to fraction form
   2,231,030.28/3,078,501.24 = 1,312,713.48/x
3. Step 3: Cross multiply
   2,231,030.28x = 3,078,501.24 × 1,312,713.48
4. Step 4: Simplify right side
   2,231,030.28x = 4,041,190,075,944.72
5. Step 5: Solve for x
   x = 4,041,190,075,944.72/2,231,030.28
6. Step 6: Final answer
   x = 1,811,356.00