Finding the Fourth Proportional to 117,432.56, 162,070.80 and 65,754.56

Step by Step Solution

1. Step 1: Write the proportion equation
   117,432.56 : 162,070.80 = 65,754.56 : x
2. Step 2: Convert to fraction form
   117,432.56/162,070.80 = 65,754.56/x
3. Step 3: Cross multiply
   117,432.56x = 162,070.80 × 65,754.56
4. Step 4: Simplify right side
   117,432.56x = 10,656,894,142.85
5. Step 5: Solve for x
   x = 10,656,894,142.85/117,432.56
6. Step 6: Final answer
   x = 90,749.06