Finding the Fourth Proportional to 1,433,401.80, 1,978,094.82 and 788,821.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433,401.80 : 1,978,094.82 = 788,821.98 : x
2. Step 2: Convert to fraction form
   1,433,401.80/1,978,094.82 = 788,821.98/x
3. Step 3: Cross multiply
   1,433,401.80x = 1,978,094.82 × 788,821.98
4. Step 4: Simplify right side
   1,433,401.80x = 1,560,364,672,540.14
5. Step 5: Solve for x
   x = 1,560,364,672,540.14/1,433,401.80
6. Step 6: Final answer
   x = 1,088,574.52