Finding the Fourth Proportional to 1,201,196.22, 1,657,650.89 and 657,331.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,196.22 : 1,657,650.89 = 657,331.98 : x
2. Step 2: Convert to fraction form
   1,201,196.22/1,657,650.89 = 657,331.98/x
3. Step 3: Cross multiply
   1,201,196.22x = 1,657,650.89 × 657,331.98
4. Step 4: Simplify right side
   1,201,196.22x = 1,089,626,937,099.60
5. Step 5: Solve for x
   x = 1,089,626,937,099.60/1,201,196.22
6. Step 6: Final answer
   x = 907,118.19