Finding the Fourth Proportional to 662,004.07, 913,538.71 and 375,518

Step by Step Solution

1. Step 1: Write the proportion equation
   662,004.07 : 913,538.71 = 375,518 : x
2. Step 2: Convert to fraction form
   662,004.07/913,538.71 = 375,518/x
3. Step 3: Cross multiply
   662,004.07x = 913,538.71 × 375,518
4. Step 4: Simplify right side
   662,004.07x = 343,050,229,301.78
5. Step 5: Solve for x
   x = 343,050,229,301.78/662,004.07
6. Step 6: Final answer
   x = 518,199.58