Finding the Fourth Proportional to 837,402.84, 1,155,582.72 and 455,429.52

Step by Step Solution

1. Step 1: Write the proportion equation
   837,402.84 : 1,155,582.72 = 455,429.52 : x
2. Step 2: Convert to fraction form
   837,402.84/1,155,582.72 = 455,429.52/x
3. Step 3: Cross multiply
   837,402.84x = 1,155,582.72 × 455,429.52
4. Step 4: Simplify right side
   837,402.84x = 526,286,483,489.89
5. Step 5: Solve for x
   x = 526,286,483,489.89/837,402.84
6. Step 6: Final answer
   x = 628,474.68