Finding the Fourth Proportional to 1,132,152.42, 1,698,245.91 and 290,685.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132,152.42 : 1,698,245.91 = 290,685.54 : x
2. Step 2: Convert to fraction form
   1,132,152.42/1,698,245.91 = 290,685.54/x
3. Step 3: Cross multiply
   1,132,152.42x = 1,698,245.91 × 290,685.54
4. Step 4: Simplify right side
   1,132,152.42x = 493,655,529,401.14
5. Step 5: Solve for x
   x = 493,655,529,401.14/1,132,152.42
6. Step 6: Final answer
   x = 436,032.75