Finding the Fourth Proportional to 1,556,958.50, 2,148,554.00 and 912,807.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556,958.50 : 2,148,554.00 = 912,807.72 : x
2. Step 2: Convert to fraction form
   1,556,958.50/2,148,554.00 = 912,807.72/x
3. Step 3: Cross multiply
   1,556,958.50x = 2,148,554.00 × 912,807.72
4. Step 4: Simplify right side
   1,556,958.50x = 1,961,216,673,472.84
5. Step 5: Solve for x
   x = 1,961,216,673,472.84/1,556,958.50
6. Step 6: Final answer
   x = 1,259,646.09