Finding the Fourth Proportional to 1,212,161.25, 1,818,251.00 and 538,061.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,212,161.25 : 1,818,251.00 = 538,061.34 : x
2. Step 2: Convert to fraction form
   1,212,161.25/1,818,251.00 = 538,061.34/x
3. Step 3: Cross multiply
   1,212,161.25x = 1,818,251.00 × 538,061.34
4. Step 4: Simplify right side
   1,212,161.25x = 978,330,566,826.03
5. Step 5: Solve for x
   x = 978,330,566,826.03/1,212,161.25
6. Step 6: Final answer
   x = 807,096.06