Finding the Fourth Proportional to 2,213,188.50, 3,317,992.64 and 932,969.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213,188.50 : 3,317,992.64 = 932,969.32 : x
2. Step 2: Convert to fraction form
   2,213,188.50/3,317,992.64 = 932,969.32/x
3. Step 3: Cross multiply
   2,213,188.50x = 3,317,992.64 × 932,969.32
4. Step 4: Simplify right side
   2,213,188.50x = 3,095,585,337,105.81
5. Step 5: Solve for x
   x = 3,095,585,337,105.81/2,213,188.50
6. Step 6: Final answer
   x = 1,398,699.36