Finding the Fourth Proportional to 91,526.94, 137,500.43 and 64,938.49

Step by Step Solution

1. Step 1: Write the proportion equation
   91,526.94 : 137,500.43 = 64,938.49 : x
2. Step 2: Convert to fraction form
   91,526.94/137,500.43 = 64,938.49/x
3. Step 3: Cross multiply
   91,526.94x = 137,500.43 × 64,938.49
4. Step 4: Simplify right side
   91,526.94x = 8,929,070,298.55
5. Step 5: Solve for x
   x = 8,929,070,298.55/91,526.94
6. Step 6: Final answer
   x = 97,556.74