Finding the Fourth Proportional to 2,142,470.72, 3,213,724.92 and 545,035.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,470.72 : 3,213,724.92 = 545,035.50 : x
2. Step 2: Convert to fraction form
   2,142,470.72/3,213,724.92 = 545,035.50/x
3. Step 3: Cross multiply
   2,142,470.72x = 3,213,724.92 × 545,035.50
4. Step 4: Simplify right side
   2,142,470.72x = 1,751,594,166,590.78
5. Step 5: Solve for x
   x = 1,751,594,166,590.78/2,142,470.72
6. Step 6: Final answer
   x = 817,558.04