Finding the Fourth Proportional to 851,109.39, 1,175,011.52 and 565,020.63

Step by Step Solution

1. Step 1: Write the proportion equation
   851,109.39 : 1,175,011.52 = 565,020.63 : x
2. Step 2: Convert to fraction form
   851,109.39/1,175,011.52 = 565,020.63/x
3. Step 3: Cross multiply
   851,109.39x = 1,175,011.52 × 565,020.63
4. Step 4: Simplify right side
   851,109.39x = 663,905,746,462.56
5. Step 5: Solve for x
   x = 663,905,746,462.56/851,109.39
6. Step 6: Final answer
   x = 780,047.49