Finding the Fourth Proportional to 2,115,931.32, 3,173,483.82 and 676,228.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,931.32 : 3,173,483.82 = 676,228.53 : x
2. Step 2: Convert to fraction form
   2,115,931.32/3,173,483.82 = 676,228.53/x
3. Step 3: Cross multiply
   2,115,931.32x = 3,173,483.82 × 676,228.53
4. Step 4: Simplify right side
   2,115,931.32x = 2,146,000,298,577.38
5. Step 5: Solve for x
   x = 2,146,000,298,577.38/2,115,931.32
6. Step 6: Final answer
   x = 1,014,210.75