Finding the Fourth Proportional to 753,224.15, 1,039,196.48 and 426,492.50

Step by Step Solution

1. Step 1: Write the proportion equation
   753,224.15 : 1,039,196.48 = 426,492.50 : x
2. Step 2: Convert to fraction form
   753,224.15/1,039,196.48 = 426,492.50/x
3. Step 3: Cross multiply
   753,224.15x = 1,039,196.48 × 426,492.50
4. Step 4: Simplify right side
   753,224.15x = 443,209,497,417.96
5. Step 5: Solve for x
   x = 443,209,497,417.96/753,224.15
6. Step 6: Final answer
   x = 588,416.47