Finding the Fourth Proportional to 1,323,381.99, 1,984,003.72 and 513,348.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323,381.99 : 1,984,003.72 = 513,348.15 : x
2. Step 2: Convert to fraction form
   1,323,381.99/1,984,003.72 = 513,348.15/x
3. Step 3: Cross multiply
   1,323,381.99x = 1,984,003.72 × 513,348.15
4. Step 4: Simplify right side
   1,323,381.99x = 1,018,484,636,688.38
5. Step 5: Solve for x
   x = 1,018,484,636,688.38/1,323,381.99
6. Step 6: Final answer
   x = 769,607.45