Finding the Fourth Proportional to 1,252,084.18, 1,878,158.63 and 341,274.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,252,084.18 : 1,878,158.63 = 341,274.15 : x
2. Step 2: Convert to fraction form
   1,252,084.18/1,878,158.63 = 341,274.15/x
3. Step 3: Cross multiply
   1,252,084.18x = 1,878,158.63 × 341,274.15
4. Step 4: Simplify right side
   1,252,084.18x = 640,966,990,018.42
5. Step 5: Solve for x
   x = 640,966,990,018.42/1,252,084.18
6. Step 6: Final answer
   x = 511,920.05