Finding the Fourth Proportional to 1,027,501.80, 1,418,522.56 and 619,706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,027,501.80 : 1,418,522.56 = 619,706.50 : x
2. Step 2: Convert to fraction form
   1,027,501.80/1,418,522.56 = 619,706.50/x
3. Step 3: Cross multiply
   1,027,501.80x = 1,418,522.56 × 619,706.50
4. Step 4: Simplify right side
   1,027,501.80x = 879,067,650,828.64
5. Step 5: Solve for x
   x = 879,067,650,828.64/1,027,501.80
6. Step 6: Final answer
   x = 855,538.79