Finding the Fourth Proportional to 2,142,467.10, 3,213,718.83 and 545,031.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,467.10 : 3,213,718.83 = 545,031.54 : x
2. Step 2: Convert to fraction form
   2,142,467.10/3,213,718.83 = 545,031.54/x
3. Step 3: Cross multiply
   2,142,467.10x = 3,213,718.83 × 545,031.54
4. Step 4: Simplify right side
   2,142,467.10x = 1,751,578,123,041.90
5. Step 5: Solve for x
   x = 1,751,578,123,041.90/2,142,467.10
6. Step 6: Final answer
   x = 817,551.93