Finding the Fourth Proportional to 653,510.23, 978,845.79 and 315,842.71

Step by Step Solution

1. Step 1: Write the proportion equation
   653,510.23 : 978,845.79 = 315,842.71 : x
2. Step 2: Convert to fraction form
   653,510.23/978,845.79 = 315,842.71/x
3. Step 3: Cross multiply
   653,510.23x = 978,845.79 × 315,842.71
4. Step 4: Simplify right side
   653,510.23x = 309,161,306,985.69
5. Step 5: Solve for x
   x = 309,161,306,985.69/653,510.23
6. Step 6: Final answer
   x = 473,077.99