Finding the Fourth Proportional to 1,151,300.60, 1,726,795.32 and 309,902.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151,300.60 : 1,726,795.32 = 309,902.84 : x
2. Step 2: Convert to fraction form
   1,151,300.60/1,726,795.32 = 309,902.84/x
3. Step 3: Cross multiply
   1,151,300.60x = 1,726,795.32 × 309,902.84
4. Step 4: Simplify right side
   1,151,300.60x = 535,138,773,766.71
5. Step 5: Solve for x
   x = 535,138,773,766.71/1,151,300.60
6. Step 6: Final answer
   x = 464,812.38