Finding the Fourth Proportional to 89,487.72, 134,248.68 and 30,307.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89,487.72 : 134,248.68 = 30,307.56 : x
2. Step 2: Convert to fraction form
   89,487.72/134,248.68 = 30,307.56/x
3. Step 3: Cross multiply
   89,487.72x = 134,248.68 × 30,307.56
4. Step 4: Simplify right side
   89,487.72x = 4,068,749,924.02
5. Step 5: Solve for x
   x = 4,068,749,924.02/89,487.72
6. Step 6: Final answer
   x = 45,467.13