Finding the Fourth Proportional to 805,914.06, 1,112,117.52 and 443,279.36

Step by Step Solution

1. Step 1: Write the proportion equation
   805,914.06 : 1,112,117.52 = 443,279.36 : x
2. Step 2: Convert to fraction form
   805,914.06/1,112,117.52 = 443,279.36/x
3. Step 3: Cross multiply
   805,914.06x = 1,112,117.52 × 443,279.36
4. Step 4: Simplify right side
   805,914.06x = 492,978,742,510.39
5. Step 5: Solve for x
   x = 492,978,742,510.39/805,914.06
6. Step 6: Final answer
   x = 611,701.38