Finding the Fourth Proportional to 116,925, 161,356.32 and 63,210.06

Step by Step Solution

1. Step 1: Write the proportion equation
   116,925 : 161,356.32 = 63,210.06 : x
2. Step 2: Convert to fraction form
   116,925/161,356.32 = 63,210.06/x
3. Step 3: Cross multiply
   116,925x = 161,356.32 × 63,210.06
4. Step 4: Simplify right side
   116,925x = 10,199,342,668.58
5. Step 5: Solve for x
   x = 10,199,342,668.58/116,925
6. Step 6: Final answer
   x = 87,229.79