Finding the Fourth Proportional to 3,742,743.72, 5,164,980.12 and 2,111,145.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,742,743.72 : 5,164,980.12 = 2,111,145.96 : x
2. Step 2: Convert to fraction form
   3,742,743.72/5,164,980.12 = 2,111,145.96/x
3. Step 3: Cross multiply
   3,742,743.72x = 5,164,980.12 × 2,111,145.96
4. Step 4: Simplify right side
   3,742,743.72x = 10,904,026,913,818.31
5. Step 5: Solve for x
   x = 10,904,026,913,818.31/3,742,743.72
6. Step 6: Final answer
   x = 2,913,377.92