Finding the Fourth Proportional to 1,074,576.53, 1,611,521.69 and 354,784.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074,576.53 : 1,611,521.69 = 354,784.74 : x
2. Step 2: Convert to fraction form
   1,074,576.53/1,611,521.69 = 354,784.74/x
3. Step 3: Cross multiply
   1,074,576.53x = 1,611,521.69 × 354,784.74
4. Step 4: Simplify right side
   1,074,576.53x = 571,743,302,017.09
5. Step 5: Solve for x
   x = 571,743,302,017.09/1,074,576.53
6. Step 6: Final answer
   x = 532,063.83