Finding the Fourth Proportional to 1,326,864.34, 1,989,117.83 and 517,061.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,326,864.34 : 1,989,117.83 = 517,061.30 : x
2. Step 2: Convert to fraction form
   1,326,864.34/1,989,117.83 = 517,061.30/x
3. Step 3: Cross multiply
   1,326,864.34x = 1,989,117.83 × 517,061.30
4. Step 4: Simplify right side
   1,326,864.34x = 1,028,495,851,032.98
5. Step 5: Solve for x
   x = 1,028,495,851,032.98/1,326,864.34
6. Step 6: Final answer
   x = 775,132.63