Finding the Fourth Proportional to 1,561,184.72, 2,154,406.83 and 882,106.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561,184.72 : 2,154,406.83 = 882,106.64 : x
2. Step 2: Convert to fraction form
   1,561,184.72/2,154,406.83 = 882,106.64/x
3. Step 3: Cross multiply
   1,561,184.72x = 2,154,406.83 × 882,106.64
4. Step 4: Simplify right side
   1,561,184.72x = 1,900,416,570,004.35
5. Step 5: Solve for x
   x = 1,900,416,570,004.35/1,561,184.72
6. Step 6: Final answer
   x = 1,217,291.30