Finding the Fourth Proportional to 1,117,134.79, 1,674,389.98 and 516,827.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117,134.79 : 1,674,389.98 = 516,827.89 : x
2. Step 2: Convert to fraction form
   1,117,134.79/1,674,389.98 = 516,827.89/x
3. Step 3: Cross multiply
   1,117,134.79x = 1,674,389.98 × 516,827.89
4. Step 4: Simplify right side
   1,117,134.79x = 865,371,443,139.57
5. Step 5: Solve for x
   x = 865,371,443,139.57/1,117,134.79
6. Step 6: Final answer
   x = 774,634.76