Finding the Fourth Proportional to 1,514,039.18, 2,089,420.72 and 869,588.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514,039.18 : 2,089,420.72 = 869,588.60 : x
2. Step 2: Convert to fraction form
   1,514,039.18/2,089,420.72 = 869,588.60/x
3. Step 3: Cross multiply
   1,514,039.18x = 2,089,420.72 × 869,588.60
4. Step 4: Simplify right side
   1,514,039.18x = 1,816,936,426,094.72
5. Step 5: Solve for x
   x = 1,816,936,426,094.72/1,514,039.18
6. Step 6: Final answer
   x = 1,200,059.06