Finding the Fourth Proportional to 1,758,789.39, 2,638,744.52 and 786,003.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758,789.39 : 2,638,744.52 = 786,003.20 : x
2. Step 2: Convert to fraction form
   1,758,789.39/2,638,744.52 = 786,003.20/x
3. Step 3: Cross multiply
   1,758,789.39x = 2,638,744.52 × 786,003.20
4. Step 4: Simplify right side
   1,758,789.39x = 2,074,061,636,702.46
5. Step 5: Solve for x
   x = 2,074,061,636,702.46/1,758,789.39
6. Step 6: Final answer
   x = 1,179,255.26