Finding the Fourth Proportional to 114,580, 158,121.48 and 64,280.08

Step by Step Solution

1. Step 1: Write the proportion equation
   114,580 : 158,121.48 = 64,280.08 : x
2. Step 2: Convert to fraction form
   114,580/158,121.48 = 64,280.08/x
3. Step 3: Cross multiply
   114,580x = 158,121.48 × 64,280.08
4. Step 4: Simplify right side
   114,580x = 10,164,061,384.12
5. Step 5: Solve for x
   x = 10,164,061,384.12/114,580
6. Step 6: Final answer
   x = 88,707.12