Finding the Fourth Proportional to 1,581,242.48, 2,182,116.04 and 856,090.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,242.48 : 2,182,116.04 = 856,090.72 : x
2. Step 2: Convert to fraction form
   1,581,242.48/2,182,116.04 = 856,090.72/x
3. Step 3: Cross multiply
   1,581,242.48x = 2,182,116.04 × 856,090.72
4. Step 4: Simplify right side
   1,581,242.48x = 1,868,089,291,807.15
5. Step 5: Solve for x
   x = 1,868,089,291,807.15/1,581,242.48
6. Step 6: Final answer
   x = 1,181,405.96