Finding the Fourth Proportional to 946,103.29, 1,305,642.59 and 538,191.61

Step by Step Solution

1. Step 1: Write the proportion equation
   946,103.29 : 1,305,642.59 = 538,191.61 : x
2. Step 2: Convert to fraction form
   946,103.29/1,305,642.59 = 538,191.61/x
3. Step 3: Cross multiply
   946,103.29x = 1,305,642.59 × 538,191.61
4. Step 4: Simplify right side
   946,103.29x = 702,685,884,905.71
5. Step 5: Solve for x
   x = 702,685,884,905.71/946,103.29
6. Step 6: Final answer
   x = 742,715.82