Finding the Fourth Proportional to 940,443.50, 1,298,209.35 and 634,933.77

Step by Step Solution

1. Step 1: Write the proportion equation
   940,443.50 : 1,298,209.35 = 634,933.77 : x
2. Step 2: Convert to fraction form
   940,443.50/1,298,209.35 = 634,933.77/x
3. Step 3: Cross multiply
   940,443.50x = 1,298,209.35 × 634,933.77
4. Step 4: Simplify right side
   940,443.50x = 824,276,956,844.75
5. Step 5: Solve for x
   x = 824,276,956,844.75/940,443.50
6. Step 6: Final answer
   x = 876,476.86