Finding the Fourth Proportional to 2,113,301.88, 2,916,356.59 and 1,207,903.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113,301.88 : 2,916,356.59 = 1,207,903.32 : x
2. Step 2: Convert to fraction form
   2,113,301.88/2,916,356.59 = 1,207,903.32/x
3. Step 3: Cross multiply
   2,113,301.88x = 2,916,356.59 × 1,207,903.32
4. Step 4: Simplify right side
   2,113,301.88x = 3,522,676,807,364.88
5. Step 5: Solve for x
   x = 3,522,676,807,364.88/2,113,301.88
6. Step 6: Final answer
   x = 1,666,906.58