Finding the Fourth Proportional to 1,068,002.06, 1,601,753.90 and 309,639.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068,002.06 : 1,601,753.90 = 309,639.98 : x
2. Step 2: Convert to fraction form
   1,068,002.06/1,601,753.90 = 309,639.98/x
3. Step 3: Cross multiply
   1,068,002.06x = 1,601,753.90 × 309,639.98
4. Step 4: Simplify right side
   1,068,002.06x = 495,967,048,017.11
5. Step 5: Solve for x
   x = 495,967,048,017.11/1,068,002.06
6. Step 6: Final answer
   x = 464,387.73