Finding the Fourth Proportional to 1,072,002.74, 1,478,941.82 and 612,870.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,002.74 : 1,478,941.82 = 612,870.62 : x
2. Step 2: Convert to fraction form
   1,072,002.74/1,478,941.82 = 612,870.62/x
3. Step 3: Cross multiply
   1,072,002.74x = 1,478,941.82 × 612,870.62
4. Step 4: Simplify right side
   1,072,002.74x = 906,399,993,772.98
5. Step 5: Solve for x
   x = 906,399,993,772.98/1,072,002.74
6. Step 6: Final answer
   x = 845,520.23