Finding the Fourth Proportional to 938,667.79, 1,407,535.41 and 298,888.01

Step by Step Solution

1. Step 1: Write the proportion equation
   938,667.79 : 1,407,535.41 = 298,888.01 : x
2. Step 2: Convert to fraction form
   938,667.79/1,407,535.41 = 298,888.01/x
3. Step 3: Cross multiply
   938,667.79x = 1,407,535.41 × 298,888.01
4. Step 4: Simplify right side
   938,667.79x = 420,695,457,060.85
5. Step 5: Solve for x
   x = 420,695,457,060.85/938,667.79
6. Step 6: Final answer
   x = 448,183.54