Finding the Fourth Proportional to 3,956,109.63, 5,459,139.09 and 2,213,547.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,956,109.63 : 5,459,139.09 = 2,213,547.72 : x
2. Step 2: Convert to fraction form
   3,956,109.63/5,459,139.09 = 2,213,547.72/x
3. Step 3: Cross multiply
   3,956,109.63x = 5,459,139.09 × 2,213,547.72
4. Step 4: Simplify right side
   3,956,109.63x = 12,084,064,885,832.38
5. Step 5: Solve for x
   x = 12,084,064,885,832.38/3,956,109.63
6. Step 6: Final answer
   x = 3,054,532.36