Finding the Fourth Proportional to 762,406.59, 1,052,111.28 and 435,715.95

Step by Step Solution

1. Step 1: Write the proportion equation
   762,406.59 : 1,052,111.28 = 435,715.95 : x
2. Step 2: Convert to fraction form
   762,406.59/1,052,111.28 = 435,715.95/x
3. Step 3: Cross multiply
   762,406.59x = 1,052,111.28 × 435,715.95
4. Step 4: Simplify right side
   762,406.59x = 458,421,665,870.92
5. Step 5: Solve for x
   x = 458,421,665,870.92/762,406.59
6. Step 6: Final answer
   x = 601,282.40