Finding the Fourth Proportional to 1,556,187.48, 2,147,555.12 and 877,123.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556,187.48 : 2,147,555.12 = 877,123.98 : x
2. Step 2: Convert to fraction form
   1,556,187.48/2,147,555.12 = 877,123.98/x
3. Step 3: Cross multiply
   1,556,187.48x = 2,147,555.12 × 877,123.98
4. Step 4: Simplify right side
   1,556,187.48x = 1,883,672,094,123.78
5. Step 5: Solve for x
   x = 1,883,672,094,123.78/1,556,187.48
6. Step 6: Final answer
   x = 1,210,440.33