Finding the Fourth Proportional to 2,142,471.38, 3,213,725.90 and 545,036.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,471.38 : 3,213,725.90 = 545,036.16 : x
2. Step 2: Convert to fraction form
   2,142,471.38/3,213,725.90 = 545,036.16/x
3. Step 3: Cross multiply
   2,142,471.38x = 3,213,725.90 × 545,036.16
4. Step 4: Simplify right side
   2,142,471.38x = 1,751,596,812,117.72
5. Step 5: Solve for x
   x = 1,751,596,812,117.72/2,142,471.38
6. Step 6: Final answer
   x = 817,559.03