Finding the Fourth Proportional to 162,043.46, 243,152.64 and 78,937.46

Step by Step Solution

1. Step 1: Write the proportion equation
   162,043.46 : 243,152.64 = 78,937.46 : x
2. Step 2: Convert to fraction form
   162,043.46/243,152.64 = 78,937.46/x
3. Step 3: Cross multiply
   162,043.46x = 243,152.64 × 78,937.46
4. Step 4: Simplify right side
   162,043.46x = 19,193,851,793.89
5. Step 5: Solve for x
   x = 19,193,851,793.89/162,043.46
6. Step 6: Final answer
   x = 118,448.79