Finding the Fourth Proportional to 1,116,342.71, 1,672,406.34 and 659,571.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,342.71 : 1,672,406.34 = 659,571.02 : x
2. Step 2: Convert to fraction form
   1,116,342.71/1,672,406.34 = 659,571.02/x
3. Step 3: Cross multiply
   1,116,342.71x = 1,672,406.34 × 659,571.02
4. Step 4: Simplify right side
   1,116,342.71x = 1,103,070,756,529.50
5. Step 5: Solve for x
   x = 1,103,070,756,529.50/1,116,342.71
6. Step 6: Final answer
   x = 988,111.22