Finding the Fourth Proportional to 89,810.49, 134,627.72 and 76,513.53

Step by Step Solution

1. Step 1: Write the proportion equation
   89,810.49 : 134,627.72 = 76,513.53 : x
2. Step 2: Convert to fraction form
   89,810.49/134,627.72 = 76,513.53/x
3. Step 3: Cross multiply
   89,810.49x = 134,627.72 × 76,513.53
4. Step 4: Simplify right side
   89,810.49x = 10,300,841,710.48
5. Step 5: Solve for x
   x = 10,300,841,710.48/89,810.49
6. Step 6: Final answer
   x = 114,695.31