Finding the Fourth Proportional to 1,068,488.94, 1,474,554.42 and 609,678.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068,488.94 : 1,474,554.42 = 609,678.18 : x
2. Step 2: Convert to fraction form
   1,068,488.94/1,474,554.42 = 609,678.18/x
3. Step 3: Cross multiply
   1,068,488.94x = 1,474,554.42 × 609,678.18
4. Step 4: Simplify right side
   1,068,488.94x = 899,003,655,096.56
5. Step 5: Solve for x
   x = 899,003,655,096.56/1,068,488.94
6. Step 6: Final answer
   x = 841,378.53