Finding the Fourth Proportional to 1,645,955.82, 2,468,684.25 and 447,971.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,645,955.82 : 2,468,684.25 = 447,971.50 : x
2. Step 2: Convert to fraction form
   1,645,955.82/2,468,684.25 = 447,971.50/x
3. Step 3: Cross multiply
   1,645,955.82x = 2,468,684.25 × 447,971.50
4. Step 4: Simplify right side
   1,645,955.82x = 1,105,900,186,498.88
5. Step 5: Solve for x
   x = 1,105,900,186,498.88/1,645,955.82
6. Step 6: Final answer
   x = 671,889.35