Finding the Fourth Proportional to 1,221,200.02, 1,683,308.82 and 962,655.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,221,200.02 : 1,683,308.82 = 962,655.34 : x
2. Step 2: Convert to fraction form
   1,221,200.02/1,683,308.82 = 962,655.34/x
3. Step 3: Cross multiply
   1,221,200.02x = 1,683,308.82 × 962,655.34
4. Step 4: Simplify right side
   1,221,200.02x = 1,620,446,224,442.10
5. Step 5: Solve for x
   x = 1,620,446,224,442.10/1,221,200.02
6. Step 6: Final answer
   x = 1,326,929.41