Finding the Fourth Proportional to 918,641.82, 1,267,767.93 and 510,785.52

Step by Step Solution

1. Step 1: Write the proportion equation
   918,641.82 : 1,267,767.93 = 510,785.52 : x
2. Step 2: Convert to fraction form
   918,641.82/1,267,767.93 = 510,785.52/x
3. Step 3: Cross multiply
   918,641.82x = 1,267,767.93 × 510,785.52
4. Step 4: Simplify right side
   918,641.82x = 647,557,501,364.37
5. Step 5: Solve for x
   x = 647,557,501,364.37/918,641.82
6. Step 6: Final answer
   x = 704,907.49