Finding the Fourth Proportional to 3,914,749.69, 5,402,343.52 and 2,172,682.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914,749.69 : 5,402,343.52 = 2,172,682.10 : x
2. Step 2: Convert to fraction form
   3,914,749.69/5,402,343.52 = 2,172,682.10/x
3. Step 3: Cross multiply
   3,914,749.69x = 5,402,343.52 × 2,172,682.10
4. Step 4: Simplify right side
   3,914,749.69x = 11,737,575,080,176.71
5. Step 5: Solve for x
   x = 11,737,575,080,176.71/3,914,749.69
6. Step 6: Final answer
   x = 2,998,295.17