Finding the Fourth Proportional to 1,144,870.08, 1,717,422.72 and 303,421.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,870.08 : 1,717,422.72 = 303,421.92 : x
2. Step 2: Convert to fraction form
   1,144,870.08/1,717,422.72 = 303,421.92/x
3. Step 3: Cross multiply
   1,144,870.08x = 1,717,422.72 × 303,421.92
4. Step 4: Simplify right side
   1,144,870.08x = 521,103,699,154.02
5. Step 5: Solve for x
   x = 521,103,699,154.02/1,144,870.08
6. Step 6: Final answer
   x = 455,164.05