Finding the Fourth Proportional to 924,196.50, 1,386,452.38 and 412,047.48

Step by Step Solution

1. Step 1: Write the proportion equation
   924,196.50 : 1,386,452.38 = 412,047.48 : x
2. Step 2: Convert to fraction form
   924,196.50/1,386,452.38 = 412,047.48/x
3. Step 3: Cross multiply
   924,196.50x = 1,386,452.38 × 412,047.48
4. Step 4: Simplify right side
   924,196.50x = 571,284,209,319.00
5. Step 5: Solve for x
   x = 571,284,209,319.00/924,196.50
6. Step 6: Final answer
   x = 618,141.50