Finding the Fourth Proportional to 613,131.79, 925,457.00 and 613,131.79

Step by Step Solution

1. Step 1: Write the proportion equation
   613,131.79 : 925,457.00 = 613,131.79 : x
2. Step 2: Convert to fraction form
   613,131.79/925,457.00 = 613,131.79/x
3. Step 3: Cross multiply
   613,131.79x = 925,457.00 × 613,131.79
4. Step 4: Simplify right side
   613,131.79x = 567,427,103,897.97
5. Step 5: Solve for x
   x = 567,427,103,897.97/613,131.79
6. Step 6: Final answer
   x = 925,457.00