Finding the Fourth Proportional to 1,525,343.59, 2,287,118.31 and 578,780.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525,343.59 : 2,287,118.31 = 578,780.83 : x
2. Step 2: Convert to fraction form
   1,525,343.59/2,287,118.31 = 578,780.83/x
3. Step 3: Cross multiply
   1,525,343.59x = 2,287,118.31 × 578,780.83
4. Step 4: Simplify right side
   1,525,343.59x = 1,323,740,233,770.00
5. Step 5: Solve for x
   x = 1,323,740,233,770.00/1,525,343.59
6. Step 6: Final answer
   x = 867,830.86