Finding the Fourth Proportional to 838,892.10, 1,258,338.15 and 366,500.10

Step by Step Solution

1. Step 1: Write the proportion equation
   838,892.10 : 1,258,338.15 = 366,500.10 : x
2. Step 2: Convert to fraction form
   838,892.10/1,258,338.15 = 366,500.10/x
3. Step 3: Cross multiply
   838,892.10x = 1,258,338.15 × 366,500.10
4. Step 4: Simplify right side
   838,892.10x = 461,181,057,808.82
5. Step 5: Solve for x
   x = 461,181,057,808.82/838,892.10
6. Step 6: Final answer
   x = 549,750.15