Finding the Fourth Proportional to 1,078,747.72, 1,488,665.52 and 626,029

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,747.72 : 1,488,665.52 = 626,029 : x
2. Step 2: Convert to fraction form
   1,078,747.72/1,488,665.52 = 626,029/x
3. Step 3: Cross multiply
   1,078,747.72x = 1,488,665.52 × 626,029
4. Step 4: Simplify right side
   1,078,747.72x = 931,947,786,820.08
5. Step 5: Solve for x
   x = 931,947,786,820.08/1,078,747.72
6. Step 6: Final answer
   x = 863,916.34