Finding the Fourth Proportional to 1,362,807.50, 1,880,674.50 and 790,179.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362,807.50 : 1,880,674.50 = 790,179.81 : x
2. Step 2: Convert to fraction form
   1,362,807.50/1,880,674.50 = 790,179.81/x
3. Step 3: Cross multiply
   1,362,807.50x = 1,880,674.50 × 790,179.81
4. Step 4: Simplify right side
   1,362,807.50x = 1,486,071,019,081.85
5. Step 5: Solve for x
   x = 1,486,071,019,081.85/1,362,807.50
6. Step 6: Final answer
   x = 1,090,448.23