Finding the Fourth Proportional to 1,681,551.83, 2,320,590.89 and 917,654.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,681,551.83 : 2,320,590.89 = 917,654.69 : x
2. Step 2: Convert to fraction form
   1,681,551.83/2,320,590.89 = 917,654.69/x
3. Step 3: Cross multiply
   1,681,551.83x = 2,320,590.89 × 917,654.69
4. Step 4: Simplify right side
   1,681,551.83x = 2,129,501,109,191.50
5. Step 5: Solve for x
   x = 2,129,501,109,191.50/1,681,551.83
6. Step 6: Final answer
   x = 1,266,390.41