Finding the Fourth Proportional to 978,171.94, 1,349,859.99 and 548,450.74

Step by Step Solution

1. Step 1: Write the proportion equation
   978,171.94 : 1,349,859.99 = 548,450.74 : x
2. Step 2: Convert to fraction form
   978,171.94/1,349,859.99 = 548,450.74/x
3. Step 3: Cross multiply
   978,171.94x = 1,349,859.99 × 548,450.74
4. Step 4: Simplify right side
   978,171.94x = 740,331,710,411.89
5. Step 5: Solve for x
   x = 740,331,710,411.89/978,171.94
6. Step 6: Final answer
   x = 756,852.33