Finding the Fourth Proportional to 90,030.48, 134,802.72 and 60,384.48

Step by Step Solution

1. Step 1: Write the proportion equation
   90,030.48 : 134,802.72 = 60,384.48 : x
2. Step 2: Convert to fraction form
   90,030.48/134,802.72 = 60,384.48/x
3. Step 3: Cross multiply
   90,030.48x = 134,802.72 × 60,384.48
4. Step 4: Simplify right side
   90,030.48x = 8,139,992,149.79
5. Step 5: Solve for x
   x = 8,139,992,149.79/90,030.48
6. Step 6: Final answer
   x = 90,413.74