Finding the Fourth Proportional to 832,308.52, 1,148,462.61 and 505,451.56

Step by Step Solution

1. Step 1: Write the proportion equation
   832,308.52 : 1,148,462.61 = 505,451.56 : x
2. Step 2: Convert to fraction form
   832,308.52/1,148,462.61 = 505,451.56/x
3. Step 3: Cross multiply
   832,308.52x = 1,148,462.61 × 505,451.56
4. Step 4: Simplify right side
   832,308.52x = 580,492,217,826.17
5. Step 5: Solve for x
   x = 580,492,217,826.17/832,308.52
6. Step 6: Final answer
   x = 697,448.37