Finding the Fourth Proportional to 117,503.88, 162,155.56 and 63,788.94

Step by Step Solution

1. Step 1: Write the proportion equation
   117,503.88 : 162,155.56 = 63,788.94 : x
2. Step 2: Convert to fraction form
   117,503.88/162,155.56 = 63,788.94/x
3. Step 3: Cross multiply
   117,503.88x = 162,155.56 × 63,788.94
4. Step 4: Simplify right side
   117,503.88x = 10,343,731,287.51
5. Step 5: Solve for x
   x = 10,343,731,287.51/117,503.88
6. Step 6: Final answer
   x = 88,028.85