Finding the Fourth Proportional to 940,612.42, 1,298,048.86 and 510,899.73

Step by Step Solution

1. Step 1: Write the proportion equation
   940,612.42 : 1,298,048.86 = 510,899.73 : x
2. Step 2: Convert to fraction form
   940,612.42/1,298,048.86 = 510,899.73/x
3. Step 3: Cross multiply
   940,612.42x = 1,298,048.86 × 510,899.73
4. Step 4: Simplify right side
   940,612.42x = 663,172,812,100.81
5. Step 5: Solve for x
   x = 663,172,812,100.81/940,612.42
6. Step 6: Final answer
   x = 705,043.65