Finding the Fourth Proportional to 1,581,898.34, 2,183,008.86 and 856,729.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,898.34 : 2,183,008.86 = 856,729.50 : x
2. Step 2: Convert to fraction form
   1,581,898.34/2,183,008.86 = 856,729.50/x
3. Step 3: Cross multiply
   1,581,898.34x = 2,183,008.86 × 856,729.50
4. Step 4: Simplify right side
   1,581,898.34x = 1,870,248,089,123.37
5. Step 5: Solve for x
   x = 1,870,248,089,123.37/1,581,898.34
6. Step 6: Final answer
   x = 1,182,280.84