Finding the Fourth Proportional to 1,152,036.63, 1,589,807.88 and 668,884.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,036.63 : 1,589,807.88 = 668,884.59 : x
2. Step 2: Convert to fraction form
   1,152,036.63/1,589,807.88 = 668,884.59/x
3. Step 3: Cross multiply
   1,152,036.63x = 1,589,807.88 × 668,884.59
4. Step 4: Simplify right side
   1,152,036.63x = 1,063,397,991,992.57
5. Step 5: Solve for x
   x = 1,063,397,991,992.57/1,152,036.63
6. Step 6: Final answer
   x = 923,059.18