Finding the Fourth Proportional to 978,943.60, 1,468,240.24 and 622,900

Step by Step Solution

1. Step 1: Write the proportion equation
   978,943.60 : 1,468,240.24 = 622,900 : x
2. Step 2: Convert to fraction form
   978,943.60/1,468,240.24 = 622,900/x
3. Step 3: Cross multiply
   978,943.60x = 1,468,240.24 × 622,900
4. Step 4: Simplify right side
   978,943.60x = 914,566,845,496
5. Step 5: Solve for x
   x = 914,566,845,496/978,943.60
6. Step 6: Final answer
   x = 934,238.55