Finding the Fourth Proportional to 1,074,111.88, 1,611,167.73 and 511,440.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074,111.88 : 1,611,167.73 = 511,440.52 : x
2. Step 2: Convert to fraction form
   1,074,111.88/1,611,167.73 = 511,440.52/x
3. Step 3: Cross multiply
   1,074,111.88x = 1,611,167.73 × 511,440.52
4. Step 4: Simplify right side
   1,074,111.88x = 824,016,461,638.42
5. Step 5: Solve for x
   x = 824,016,461,638.42/1,074,111.88
6. Step 6: Final answer
   x = 767,160.74