Finding the Fourth Proportional to 1,556,774.46, 2,148,300.05 and 912,623.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556,774.46 : 2,148,300.05 = 912,623.69 : x
2. Step 2: Convert to fraction form
   1,556,774.46/2,148,300.05 = 912,623.69/x
3. Step 3: Cross multiply
   1,556,774.46x = 2,148,300.05 × 912,623.69
4. Step 4: Simplify right side
   1,556,774.46x = 1,960,589,519,665.82
5. Step 5: Solve for x
   x = 1,960,589,519,665.82/1,556,774.46
6. Step 6: Final answer
   x = 1,259,392.14