Finding the Fourth Proportional to 1,061,746.68, 1,593,274.50 and 430,665.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,746.68 : 1,593,274.50 = 430,665.96 : x
2. Step 2: Convert to fraction form
   1,061,746.68/1,593,274.50 = 430,665.96/x
3. Step 3: Cross multiply
   1,061,746.68x = 1,593,274.50 × 430,665.96
4. Step 4: Simplify right side
   1,061,746.68x = 686,169,092,086.02
5. Step 5: Solve for x
   x = 686,169,092,086.02/1,061,746.68
6. Step 6: Final answer
   x = 646,264.41