Finding the Fourth Proportional to 848,131.16, 1,272,258.50 and 315,652.01

Step by Step Solution

1. Step 1: Write the proportion equation
   848,131.16 : 1,272,258.50 = 315,652.01 : x
2. Step 2: Convert to fraction form
   848,131.16/1,272,258.50 = 315,652.01/x
3. Step 3: Cross multiply
   848,131.16x = 1,272,258.50 × 315,652.01
4. Step 4: Simplify right side
   848,131.16x = 401,590,944,825.03
5. Step 5: Solve for x
   x = 401,590,944,825.03/848,131.16
6. Step 6: Final answer
   x = 473,500.99