Finding the Fourth Proportional to 1,370,997.52, 2,056,916.72 and 613,476.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,370,997.52 : 2,056,916.72 = 613,476.72 : x
2. Step 2: Convert to fraction form
   1,370,997.52/2,056,916.72 = 613,476.72/x
3. Step 3: Cross multiply
   1,370,997.52x = 2,056,916.72 × 613,476.72
4. Step 4: Simplify right side
   1,370,997.52x = 1,261,870,522,698.76
5. Step 5: Solve for x
   x = 1,261,870,522,698.76/1,370,997.52
6. Step 6: Final answer
   x = 920,403.21