Finding the Fourth Proportional to 1,335,641.90, 1,998,673.89 and 1,156,344.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335,641.90 : 1,998,673.89 = 1,156,344.05 : x
2. Step 2: Convert to fraction form
   1,335,641.90/1,998,673.89 = 1,156,344.05/x
3. Step 3: Cross multiply
   1,335,641.90x = 1,998,673.89 × 1,156,344.05
4. Step 4: Simplify right side
   1,335,641.90x = 2,311,154,650,598.49
5. Step 5: Solve for x
   x = 2,311,154,650,598.49/1,335,641.90
6. Step 6: Final answer
   x = 1,730,369.99