Finding the Fourth Proportional to 1,171,061.75, 1,616,023.28 and 661,753.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,061.75 : 1,616,023.28 = 661,753.19 : x
2. Step 2: Convert to fraction form
   1,171,061.75/1,616,023.28 = 661,753.19/x
3. Step 3: Cross multiply
   1,171,061.75x = 1,616,023.28 × 661,753.19
4. Step 4: Simplify right side
   1,171,061.75x = 1,069,408,549,265.38
5. Step 5: Solve for x
   x = 1,069,408,549,265.38/1,171,061.75
6. Step 6: Final answer
   x = 913,195.70