Finding the Fourth Proportional to 1,556,188.22, 2,147,556.15 and 877,124.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556,188.22 : 2,147,556.15 = 877,124.72 : x
2. Step 2: Convert to fraction form
   1,556,188.22/2,147,556.15 = 877,124.72/x
3. Step 3: Cross multiply
   1,556,188.22x = 2,147,556.15 × 877,124.72
4. Step 4: Simplify right side
   1,556,188.22x = 1,883,674,586,753.03
5. Step 5: Solve for x
   x = 1,883,674,586,753.03/1,556,188.22
6. Step 6: Final answer
   x = 1,210,441.36