Finding the Fourth Proportional to 613,810.28, 847,100.76 and 372,103.04

Step by Step Solution

1. Step 1: Write the proportion equation
   613,810.28 : 847,100.76 = 372,103.04 : x
2. Step 2: Convert to fraction form
   613,810.28/847,100.76 = 372,103.04/x
3. Step 3: Cross multiply
   613,810.28x = 847,100.76 × 372,103.04
4. Step 4: Simplify right side
   613,810.28x = 315,208,767,982.31
5. Step 5: Solve for x
   x = 315,208,767,982.31/613,810.28
6. Step 6: Final answer
   x = 513,528.00