Finding the Fourth Proportional to 1,144,009.62, 1,578,733.47 and 634,710.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,009.62 : 1,578,733.47 = 634,710.78 : x
2. Step 2: Convert to fraction form
   1,144,009.62/1,578,733.47 = 634,710.78/x
3. Step 3: Cross multiply
   1,144,009.62x = 1,578,733.47 × 634,710.78
4. Step 4: Simplify right side
   1,144,009.62x = 1,002,039,152,155.81
5. Step 5: Solve for x
   x = 1,002,039,152,155.81/1,144,009.62
6. Step 6: Final answer
   x = 875,900.98