Finding the Fourth Proportional to 1,404,770.31, 2,106,302.18 and 550,818.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,770.31 : 2,106,302.18 = 550,818.86 : x
2. Step 2: Convert to fraction form
   1,404,770.31/2,106,302.18 = 550,818.86/x
3. Step 3: Cross multiply
   1,404,770.31x = 2,106,302.18 × 550,818.86
4. Step 4: Simplify right side
   1,404,770.31x = 1,160,190,970,180.35
5. Step 5: Solve for x
   x = 1,160,190,970,180.35/1,404,770.31
6. Step 6: Final answer
   x = 825,893.71