Finding the Fourth Proportional to 340,100.42, 509,931.92 and 162,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   340,100.42 : 509,931.92 = 162,603.50 : x
2. Step 2: Convert to fraction form
   340,100.42/509,931.92 = 162,603.50/x
3. Step 3: Cross multiply
   340,100.42x = 509,931.92 × 162,603.50
4. Step 4: Simplify right side
   340,100.42x = 82,916,712,810.57
5. Step 5: Solve for x
   x = 82,916,712,810.57/340,100.42
6. Step 6: Final answer
   x = 243,800.68