Finding the Fourth Proportional to 1,793,786.34, 2,475,424.42 and 977,990.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,793,786.34 : 2,475,424.42 = 977,990.70 : x
2. Step 2: Convert to fraction form
   1,793,786.34/2,475,424.42 = 977,990.70/x
3. Step 3: Cross multiply
   1,793,786.34x = 2,475,424.42 × 977,990.70
4. Step 4: Simplify right side
   1,793,786.34x = 2,420,942,061,312.89
5. Step 5: Solve for x
   x = 2,420,942,061,312.89/1,793,786.34
6. Step 6: Final answer
   x = 1,349,626.77