Finding the Fourth Proportional to 1,141,131.24, 1,711,863.71 and 342,475.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141,131.24 : 1,711,863.71 = 342,475.89 : x
2. Step 2: Convert to fraction form
   1,141,131.24/1,711,863.71 = 342,475.89/x
3. Step 3: Cross multiply
   1,141,131.24x = 1,711,863.71 × 342,475.89
4. Step 4: Simplify right side
   1,141,131.24x = 586,272,047,640.95
5. Step 5: Solve for x
   x = 586,272,047,640.95/1,141,131.24
6. Step 6: Final answer
   x = 513,763.91