Finding the Fourth Proportional to 1,153,479.59, 1,729,818.69 and 641,925.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,153,479.59 : 1,729,818.69 = 641,925.38 : x
2. Step 2: Convert to fraction form
   1,153,479.59/1,729,818.69 = 641,925.38/x
3. Step 3: Cross multiply
   1,153,479.59x = 1,729,818.69 × 641,925.38
4. Step 4: Simplify right side
   1,153,479.59x = 1,110,414,526,340.25
5. Step 5: Solve for x
   x = 1,110,414,526,340.25/1,153,479.59
6. Step 6: Final answer
   x = 962,665.08