Finding the Fourth Proportional to 850,081.81, 1,173,114.62 and 468,109.30

Step by Step Solution

1. Step 1: Write the proportion equation
   850,081.81 : 1,173,114.62 = 468,109.30 : x
2. Step 2: Convert to fraction form
   850,081.81/1,173,114.62 = 468,109.30/x
3. Step 3: Cross multiply
   850,081.81x = 1,173,114.62 × 468,109.30
4. Step 4: Simplify right side
   850,081.81x = 549,145,861,247.42
5. Step 5: Solve for x
   x = 549,145,861,247.42/850,081.81
6. Step 6: Final answer
   x = 645,991.78