Finding the Fourth Proportional to 1,861,185.22, 2,567,781.52 and 1,216,982.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,861,185.22 : 2,567,781.52 = 1,216,982.50 : x
2. Step 2: Convert to fraction form
   1,861,185.22/2,567,781.52 = 1,216,982.50/x
3. Step 3: Cross multiply
   1,861,185.22x = 2,567,781.52 × 1,216,982.50
4. Step 4: Simplify right side
   1,861,185.22x = 3,124,945,173,663.40
5. Step 5: Solve for x
   x = 3,124,945,173,663.40/1,861,185.22
6. Step 6: Final answer
   x = 1,679,008.16