Finding the Fourth Proportional to 2,142,967.86, 2,957,287.05 and 1,176,114.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,967.86 : 2,957,287.05 = 1,176,114.06 : x
2. Step 2: Convert to fraction form
   2,142,967.86/2,957,287.05 = 1,176,114.06/x
3. Step 3: Cross multiply
   2,142,967.86x = 2,957,287.05 × 1,176,114.06
4. Step 4: Simplify right side
   2,142,967.86x = 3,478,106,878,960.92
5. Step 5: Solve for x
   x = 3,478,106,878,960.92/2,142,967.86
6. Step 6: Final answer
   x = 1,623,032.68