Finding the Fourth Proportional to 1,364,148.72, 2,045,398.88 and 543,613.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364,148.72 : 2,045,398.88 = 543,613.55 : x
2. Step 2: Convert to fraction form
   1,364,148.72/2,045,398.88 = 543,613.55/x
3. Step 3: Cross multiply
   1,364,148.72x = 2,045,398.88 × 543,613.55
4. Step 4: Simplify right side
   1,364,148.72x = 1,111,906,546,322.82
5. Step 5: Solve for x
   x = 1,111,906,546,322.82/1,364,148.72
6. Step 6: Final answer
   x = 815,091.88