Finding the Fourth Proportional to 1,499,224.30, 2,068,978.43 and 820,160.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,224.30 : 2,068,978.43 = 820,160.80 : x
2. Step 2: Convert to fraction form
   1,499,224.30/2,068,978.43 = 820,160.80/x
3. Step 3: Cross multiply
   1,499,224.30x = 2,068,978.43 × 820,160.80
4. Step 4: Simplify right side
   1,499,224.30x = 1,696,894,989,885.85
5. Step 5: Solve for x
   x = 1,696,894,989,885.85/1,499,224.30
6. Step 6: Final answer
   x = 1,131,848.65