Finding the Fourth Proportional to 1,989,735.86, 2,745,056.04 and 1,224,460.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,989,735.86 : 2,745,056.04 = 1,224,460.82 : x
2. Step 2: Convert to fraction form
   1,989,735.86/2,745,056.04 = 1,224,460.82/x
3. Step 3: Cross multiply
   1,989,735.86x = 2,745,056.04 × 1,224,460.82
4. Step 4: Simplify right side
   1,989,735.86x = 3,361,213,569,684.35
5. Step 5: Solve for x
   x = 3,361,213,569,684.35/1,989,735.86
6. Step 6: Final answer
   x = 1,689,276.27