Finding the Fourth Proportional to 718,826.09, 1,077,834.54 and 238,796.91

Step by Step Solution

1. Step 1: Write the proportion equation
   718,826.09 : 1,077,834.54 = 238,796.91 : x
2. Step 2: Convert to fraction form
   718,826.09/1,077,834.54 = 238,796.91/x
3. Step 3: Cross multiply
   718,826.09x = 1,077,834.54 × 238,796.91
4. Step 4: Simplify right side
   718,826.09x = 257,383,552,254.10
5. Step 5: Solve for x
   x = 257,383,552,254.10/718,826.09
6. Step 6: Final answer
   x = 358,060.95