Finding the Fourth Proportional to 978,045.02, 1,349,624.59 and 548,266.71

Step by Step Solution

1. Step 1: Write the proportion equation
   978,045.02 : 1,349,624.59 = 548,266.71 : x
2. Step 2: Convert to fraction form
   978,045.02/1,349,624.59 = 548,266.71/x
3. Step 3: Cross multiply
   978,045.02x = 1,349,624.59 × 548,266.71
4. Step 4: Simplify right side
   978,045.02x = 739,954,233,694.40
5. Step 5: Solve for x
   x = 739,954,233,694.40/978,045.02
6. Step 6: Final answer
   x = 756,564.59