Finding the Fourth Proportional to 1,985,035.69, 2,977,848.78 and 920,185.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,985,035.69 : 2,977,848.78 = 920,185.39 : x
2. Step 2: Convert to fraction form
   1,985,035.69/2,977,848.78 = 920,185.39/x
3. Step 3: Cross multiply
   1,985,035.69x = 2,977,848.78 × 920,185.39
4. Step 4: Simplify right side
   1,985,035.69x = 2,740,172,940,985.32
5. Step 5: Solve for x
   x = 2,740,172,940,985.32/1,985,035.69
6. Step 6: Final answer
   x = 1,380,414.95