Finding the Fourth Proportional to 162,045.30, 243,066.35 and 51,237.30

Step by Step Solution

1. Step 1: Write the proportion equation
   162,045.30 : 243,066.35 = 51,237.30 : x
2. Step 2: Convert to fraction form
   162,045.30/243,066.35 = 51,237.30/x
3. Step 3: Cross multiply
   162,045.30x = 243,066.35 × 51,237.30
4. Step 4: Simplify right side
   162,045.30x = 12,454,063,494.86
5. Step 5: Solve for x
   x = 12,454,063,494.86/162,045.30
6. Step 6: Final answer
   x = 76,855.44