Finding the Fourth Proportional to 2,143,289.35, 2,957,769.98 and 1,176,402.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,289.35 : 2,957,769.98 = 1,176,402.07 : x
2. Step 2: Convert to fraction form
   2,143,289.35/2,957,769.98 = 1,176,402.07/x
3. Step 3: Cross multiply
   2,143,289.35x = 2,957,769.98 × 1,176,402.07
4. Step 4: Simplify right side
   2,143,289.35x = 3,479,526,727,055.86
5. Step 5: Solve for x
   x = 3,479,526,727,055.86/2,143,289.35
6. Step 6: Final answer
   x = 1,623,451.69