Finding the Fourth Proportional to 2,142,279.09, 3,213,404.76 and 544,828.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,279.09 : 3,213,404.76 = 544,828.38 : x
2. Step 2: Convert to fraction form
   2,142,279.09/3,213,404.76 = 544,828.38/x
3. Step 3: Cross multiply
   2,142,279.09x = 3,213,404.76 × 544,828.38
4. Step 4: Simplify right side
   2,142,279.09x = 1,750,754,099,667.93
5. Step 5: Solve for x
   x = 1,750,754,099,667.93/2,142,279.09
6. Step 6: Final answer
   x = 817,239.04