Finding the Fourth Proportional to 2,142,471.72, 3,213,726.42 and 545,036.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,471.72 : 3,213,726.42 = 545,036.50 : x
2. Step 2: Convert to fraction form
   2,142,471.72/3,213,726.42 = 545,036.50/x
3. Step 3: Cross multiply
   2,142,471.72x = 3,213,726.42 × 545,036.50
4. Step 4: Simplify right side
   2,142,471.72x = 1,751,598,199,914.33
5. Step 5: Solve for x
   x = 1,751,598,199,914.33/2,142,471.72
6. Step 6: Final answer
   x = 817,559.54