Finding the Fourth Proportional to 1,045,039.42, 1,566,769.38 and 539,380.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045,039.42 : 1,566,769.38 = 539,380.72 : x
2. Step 2: Convert to fraction form
   1,045,039.42/1,566,769.38 = 539,380.72/x
3. Step 3: Cross multiply
   1,045,039.42x = 1,566,769.38 × 539,380.72
4. Step 4: Simplify right side
   1,045,039.42x = 845,085,196,258.35
5. Step 5: Solve for x
   x = 845,085,196,258.35/1,045,039.42
6. Step 6: Final answer
   x = 808,663.46