Finding the Fourth Proportional to 2,142,540.72, 2,956,606.80 and 1,175,646.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,540.72 : 2,956,606.80 = 1,175,646.96 : x
2. Step 2: Convert to fraction form
   2,142,540.72/2,956,606.80 = 1,175,646.96/x
3. Step 3: Cross multiply
   2,142,540.72x = 2,956,606.80 × 1,175,646.96
4. Step 4: Simplify right side
   2,142,540.72x = 3,475,925,796,335.33
5. Step 5: Solve for x
   x = 3,475,925,796,335.33/2,142,540.72
6. Step 6: Final answer
   x = 1,622,338.27