Finding the Fourth Proportional to 761,016.42, 1,050,200.02 and 438,724.98

Step by Step Solution

1. Step 1: Write the proportion equation
   761,016.42 : 1,050,200.02 = 438,724.98 : x
2. Step 2: Convert to fraction form
   761,016.42/1,050,200.02 = 438,724.98/x
3. Step 3: Cross multiply
   761,016.42x = 1,050,200.02 × 438,724.98
4. Step 4: Simplify right side
   761,016.42x = 460,748,982,770.50
5. Step 5: Solve for x
   x = 460,748,982,770.50/761,016.42
6. Step 6: Final answer
   x = 605,438.95