Finding the Fourth Proportional to 496,300.05, 744,459.84 and 141,323.22

Step by Step Solution

1. Step 1: Write the proportion equation
   496,300.05 : 744,459.84 = 141,323.22 : x
2. Step 2: Convert to fraction form
   496,300.05/744,459.84 = 141,323.22/x
3. Step 3: Cross multiply
   496,300.05x = 744,459.84 × 141,323.22
4. Step 4: Simplify right side
   496,300.05x = 105,209,461,749.49
5. Step 5: Solve for x
   x = 105,209,461,749.49/496,300.05
6. Step 6: Final answer
   x = 211,987.61