Finding the Fourth Proportional to 2,309,168.06, 3,186,643.93 and 1,290,572.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309,168.06 : 3,186,643.93 = 1,290,572.81 : x
2. Step 2: Convert to fraction form
   2,309,168.06/3,186,643.93 = 1,290,572.81/x
3. Step 3: Cross multiply
   2,309,168.06x = 3,186,643.93 × 1,290,572.81
4. Step 4: Simplify right side
   2,309,168.06x = 4,112,596,029,184.15
5. Step 5: Solve for x
   x = 4,112,596,029,184.15/2,309,168.06
6. Step 6: Final answer
   x = 1,780,986.02