Finding the Fourth Proportional to 2,909,180.86, 4,364,458.18 and 914,636.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,909,180.86 : 4,364,458.18 = 914,636.86 : x
2. Step 2: Convert to fraction form
   2,909,180.86/4,364,458.18 = 914,636.86/x
3. Step 3: Cross multiply
   2,909,180.86x = 4,364,458.18 × 914,636.86
4. Step 4: Simplify right side
   2,909,180.86x = 3,991,894,325,356.51
5. Step 5: Solve for x
   x = 3,991,894,325,356.51/2,909,180.86
6. Step 6: Final answer
   x = 1,372,171.25