Finding the Fourth Proportional to 759,300.57, 1,048,098.67 and 437,139.07

Step by Step Solution

1. Step 1: Write the proportion equation
   759,300.57 : 1,048,098.67 = 437,139.07 : x
2. Step 2: Convert to fraction form
   759,300.57/1,048,098.67 = 437,139.07/x
3. Step 3: Cross multiply
   759,300.57x = 1,048,098.67 × 437,139.07
4. Step 4: Simplify right side
   759,300.57x = 458,164,874,158.94
5. Step 5: Solve for x
   x = 458,164,874,158.94/759,300.57
6. Step 6: Final answer
   x = 603,403.83