Finding the Fourth Proportional to 761,519.68, 1,050,870.72 and 422,019.52

Step by Step Solution

1. Step 1: Write the proportion equation
   761,519.68 : 1,050,870.72 = 422,019.52 : x
2. Step 2: Convert to fraction form
   761,519.68/1,050,870.72 = 422,019.52/x
3. Step 3: Cross multiply
   761,519.68x = 1,050,870.72 × 422,019.52
4. Step 4: Simplify right side
   761,519.68x = 443,487,956,836.45
5. Step 5: Solve for x
   x = 443,487,956,836.45/761,519.68
6. Step 6: Final answer
   x = 582,372.29