Finding the Fourth Proportional to 2,142,471.29, 3,213,725.76 and 545,036.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,471.29 : 3,213,725.76 = 545,036.06 : x
2. Step 2: Convert to fraction form
   2,142,471.29/3,213,725.76 = 545,036.06/x
3. Step 3: Cross multiply
   2,142,471.29x = 3,213,725.76 × 545,036.06
4. Step 4: Simplify right side
   2,142,471.29x = 1,751,596,434,185.22
5. Step 5: Solve for x
   x = 1,751,596,434,185.22/2,142,471.29
6. Step 6: Final answer
   x = 817,558.88