Finding the Fourth Proportional to 1,050,404.28, 1,575,275.94 and 340,267.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050,404.28 : 1,575,275.94 = 340,267.56 : x
2. Step 2: Convert to fraction form
   1,050,404.28/1,575,275.94 = 340,267.56/x
3. Step 3: Cross multiply
   1,050,404.28x = 1,575,275.94 × 340,267.56
4. Step 4: Simplify right side
   1,050,404.28x = 536,015,300,430.51
5. Step 5: Solve for x
   x = 536,015,300,430.51/1,050,404.28
6. Step 6: Final answer
   x = 510,294.28