Finding the Fourth Proportional to 117,376.40, 162,002.76 and 77,096.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,376.40 : 162,002.76 = 77,096.72 : x
2. Step 2: Convert to fraction form
   117,376.40/162,002.76 = 77,096.72/x
3. Step 3: Cross multiply
   117,376.40x = 162,002.76 × 77,096.72
4. Step 4: Simplify right side
   117,376.40x = 12,489,881,426.95
5. Step 5: Solve for x
   x = 12,489,881,426.95/117,376.40
6. Step 6: Final answer
   x = 106,408.80