Finding the Fourth Proportional to 2,113,300.88, 2,916,355.21 and 1,207,902.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113,300.88 : 2,916,355.21 = 1,207,902.32 : x
2. Step 2: Convert to fraction form
   2,113,300.88/2,916,355.21 = 1,207,902.32/x
3. Step 3: Cross multiply
   2,113,300.88x = 2,916,355.21 × 1,207,902.32
4. Step 4: Simplify right side
   2,113,300.88x = 3,522,672,206,501.56
5. Step 5: Solve for x
   x = 3,522,672,206,501.56/2,113,300.88
6. Step 6: Final answer
   x = 1,666,905.19