Finding the Fourth Proportional to 907,467.59, 1,362,042.52 and 458,503.99

Step by Step Solution

1. Step 1: Write the proportion equation
   907,467.59 : 1,362,042.52 = 458,503.99 : x
2. Step 2: Convert to fraction form
   907,467.59/1,362,042.52 = 458,503.99/x
3. Step 3: Cross multiply
   907,467.59x = 1,362,042.52 × 458,503.99
4. Step 4: Simplify right side
   907,467.59x = 624,501,928,823.40
5. Step 5: Solve for x
   x = 624,501,928,823.40/907,467.59
6. Step 6: Final answer
   x = 688,180.98