Finding the Fourth Proportional to 1,055,495.61, 1,456,583.31 and 619,826.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055,495.61 : 1,456,583.31 = 619,826.58 : x
2. Step 2: Convert to fraction form
   1,055,495.61/1,456,583.31 = 619,826.58/x
3. Step 3: Cross multiply
   1,055,495.61x = 1,456,583.31 × 619,826.58
4. Step 4: Simplify right side
   1,055,495.61x = 902,829,051,522.38
5. Step 5: Solve for x
   x = 902,829,051,522.38/1,055,495.61
6. Step 6: Final answer
   x = 855,360.31