Finding the Fourth Proportional to 789,110.10, 1,184,151.15 and 340,046.10

Step by Step Solution

1. Step 1: Write the proportion equation
   789,110.10 : 1,184,151.15 = 340,046.10 : x
2. Step 2: Convert to fraction form
   789,110.10/1,184,151.15 = 340,046.10/x
3. Step 3: Cross multiply
   789,110.10x = 1,184,151.15 × 340,046.10
4. Step 4: Simplify right side
   789,110.10x = 402,665,980,368.02
5. Step 5: Solve for x
   x = 402,665,980,368.02/789,110.10
6. Step 6: Final answer
   x = 510,278.58