Finding the Fourth Proportional to 812,061.48, 1,218,085.50 and 634,717.56

Step by Step Solution

1. Step 1: Write the proportion equation
   812,061.48 : 1,218,085.50 = 634,717.56 : x
2. Step 2: Convert to fraction form
   812,061.48/1,218,085.50 = 634,717.56/x
3. Step 3: Cross multiply
   812,061.48x = 1,218,085.50 × 634,717.56
4. Step 4: Simplify right side
   812,061.48x = 773,140,256,431.38
5. Step 5: Solve for x
   x = 773,140,256,431.38/812,061.48
6. Step 6: Final answer
   x = 952,071.09