Finding the Fourth Proportional to 2,309,264.06, 3,186,729.33 and 1,290,763.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309,264.06 : 3,186,729.33 = 1,290,763.58 : x
2. Step 2: Convert to fraction form
   2,309,264.06/3,186,729.33 = 1,290,763.58/x
3. Step 3: Cross multiply
   2,309,264.06x = 3,186,729.33 × 1,290,763.58
4. Step 4: Simplify right side
   2,309,264.06x = 4,113,314,142,548.16
5. Step 5: Solve for x
   x = 4,113,314,142,548.16/2,309,264.06
6. Step 6: Final answer
   x = 1,781,222.95