Finding the Fourth Proportional to 1,148,495.36, 1,722,611.82 and 307,112.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,148,495.36 : 1,722,611.82 = 307,112.72 : x
2. Step 2: Convert to fraction form
   1,148,495.36/1,722,611.82 = 307,112.72/x
3. Step 3: Cross multiply
   1,148,495.36x = 1,722,611.82 × 307,112.72
4. Step 4: Simplify right side
   1,148,495.36x = 529,036,001,544.35
5. Step 5: Solve for x
   x = 529,036,001,544.35/1,148,495.36
6. Step 6: Final answer
   x = 460,633.99