Finding the Fourth Proportional to 761,603.46, 1,050,994.89 and 422,064.42

Step by Step Solution

1. Step 1: Write the proportion equation
   761,603.46 : 1,050,994.89 = 422,064.42 : x
2. Step 2: Convert to fraction form
   761,603.46/1,050,994.89 = 422,064.42/x
3. Step 3: Cross multiply
   761,603.46x = 1,050,994.89 × 422,064.42
4. Step 4: Simplify right side
   761,603.46x = 443,587,548,670.81
5. Step 5: Solve for x
   x = 443,587,548,670.81/761,603.46
6. Step 6: Final answer
   x = 582,438.99