Finding the Fourth Proportional to 2,196,354.56, 3,293,994.29 and 916,972.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196,354.56 : 3,293,994.29 = 916,972.63 : x
2. Step 2: Convert to fraction form
   2,196,354.56/3,293,994.29 = 916,972.63/x
3. Step 3: Cross multiply
   2,196,354.56x = 3,293,994.29 × 916,972.63
4. Step 4: Simplify right side
   2,196,354.56x = 3,020,502,594,486.43
5. Step 5: Solve for x
   x = 3,020,502,594,486.43/2,196,354.56
6. Step 6: Final answer
   x = 1,375,234.52