Finding the Fourth Proportional to 1,528,066.46, 2,108,788.62 and 916,318.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,066.46 : 2,108,788.62 = 916,318.82 : x
2. Step 2: Convert to fraction form
   1,528,066.46/2,108,788.62 = 916,318.82/x
3. Step 3: Cross multiply
   1,528,066.46x = 2,108,788.62 × 916,318.82
4. Step 4: Simplify right side
   1,528,066.46x = 1,932,322,699,907.83
5. Step 5: Solve for x
   x = 1,932,322,699,907.83/1,528,066.46
6. Step 6: Final answer
   x = 1,264,554.10