Finding the Fourth Proportional to 1,015,214.31, 1,400,995.76 and 562,505.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,214.31 : 1,400,995.76 = 562,505.31 : x
2. Step 2: Convert to fraction form
   1,015,214.31/1,400,995.76 = 562,505.31/x
3. Step 3: Cross multiply
   1,015,214.31x = 1,400,995.76 × 562,505.31
4. Step 4: Simplify right side
   1,015,214.31x = 788,067,551,474.96
5. Step 5: Solve for x
   x = 788,067,551,474.96/1,015,214.31
6. Step 6: Final answer
   x = 776,257.33