Finding the Fourth Proportional to 117,503.29, 162,156.51 and 63,788.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117,503.29 : 162,156.51 = 63,788.31 : x
2. Step 2: Convert to fraction form
   117,503.29/162,156.51 = 63,788.31/x
3. Step 3: Cross multiply
   117,503.29x = 162,156.51 × 63,788.31
4. Step 4: Simplify right side
   117,503.29x = 10,343,689,077.09
5. Step 5: Solve for x
   x = 10,343,689,077.09/117,503.29
6. Step 6: Final answer
   x = 88,028.93