Finding the Fourth Proportional to 1,145,092.16, 1,580,298.72 and 661,745.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,092.16 : 1,580,298.72 = 661,745.84 : x
2. Step 2: Convert to fraction form
   1,145,092.16/1,580,298.72 = 661,745.84/x
3. Step 3: Cross multiply
   1,145,092.16x = 1,580,298.72 × 661,745.84
4. Step 4: Simplify right side
   1,145,092.16x = 1,045,756,103,917.32
5. Step 5: Solve for x
   x = 1,045,756,103,917.32/1,145,092.16
6. Step 6: Final answer
   x = 913,250.60