Finding the Fourth Proportional to 233,290.60, 322,018.86 and 156,784.12

Step by Step Solution

1. Step 1: Write the proportion equation
   233,290.60 : 322,018.86 = 156,784.12 : x
2. Step 2: Convert to fraction form
   233,290.60/322,018.86 = 156,784.12/x
3. Step 3: Cross multiply
   233,290.60x = 322,018.86 × 156,784.12
4. Step 4: Simplify right side
   233,290.60x = 50,487,443,588.50
5. Step 5: Solve for x
   x = 50,487,443,588.50/233,290.60
6. Step 6: Final answer
   x = 216,414.39