Finding the Fourth Proportional to 948,426.55, 1,309,038.81 and 654,488.82

Step by Step Solution

1. Step 1: Write the proportion equation
   948,426.55 : 1,309,038.81 = 654,488.82 : x
2. Step 2: Convert to fraction form
   948,426.55/1,309,038.81 = 654,488.82/x
3. Step 3: Cross multiply
   948,426.55x = 1,309,038.81 × 654,488.82
4. Step 4: Simplify right side
   948,426.55x = 856,751,266,091.10
5. Step 5: Solve for x
   x = 856,751,266,091.10/948,426.55
6. Step 6: Final answer
   x = 903,339.61