Finding the Fourth Proportional to 89,837.28, 134,762.76 and 52,401.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,837.28 : 134,762.76 = 52,401.08 : x
2. Step 2: Convert to fraction form
   89,837.28/134,762.76 = 52,401.08/x
3. Step 3: Cross multiply
   89,837.28x = 134,762.76 × 52,401.08
4. Step 4: Simplify right side
   89,837.28x = 7,061,714,167.78
5. Step 5: Solve for x
   x = 7,061,714,167.78/89,837.28
6. Step 6: Final answer
   x = 78,605.61