Finding the Fourth Proportional to 1,432,883.98, 1,977,379.89 and 788,290.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432,883.98 : 1,977,379.89 = 788,290.33 : x
2. Step 2: Convert to fraction form
   1,432,883.98/1,977,379.89 = 788,290.33/x
3. Step 3: Cross multiply
   1,432,883.98x = 1,977,379.89 × 788,290.33
4. Step 4: Simplify right side
   1,432,883.98x = 1,558,749,446,023.46
5. Step 5: Solve for x
   x = 1,558,749,446,023.46/1,432,883.98
6. Step 6: Final answer
   x = 1,087,840.65