Finding the Fourth Proportional to 117,900.17, 162,341.91 and 88,870.71

Step by Step Solution

1. Step 1: Write the proportion equation
   117,900.17 : 162,341.91 = 88,870.71 : x
2. Step 2: Convert to fraction form
   117,900.17/162,341.91 = 88,870.71/x
3. Step 3: Cross multiply
   117,900.17x = 162,341.91 × 88,870.71
4. Step 4: Simplify right side
   117,900.17x = 14,427,440,804.46
5. Step 5: Solve for x
   x = 14,427,440,804.46/117,900.17
6. Step 6: Final answer
   x = 122,369.98