Finding the Fourth Proportional to 1,547,478.42, 2,321,106.15 and 410,214.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,547,478.42 : 2,321,106.15 = 410,214.72 : x
2. Step 2: Convert to fraction form
   1,547,478.42/2,321,106.15 = 410,214.72/x
3. Step 3: Cross multiply
   1,547,478.42x = 2,321,106.15 × 410,214.72
4. Step 4: Simplify right side
   1,547,478.42x = 952,151,909,412.53
5. Step 5: Solve for x
   x = 952,151,909,412.53/1,547,478.42
6. Step 6: Final answer
   x = 615,292.53