Finding the Fourth Proportional to 109,811.56, 151,459.94 and 69,531.88

Step by Step Solution

1. Step 1: Write the proportion equation
   109,811.56 : 151,459.94 = 69,531.88 : x
2. Step 2: Convert to fraction form
   109,811.56/151,459.94 = 69,531.88/x
3. Step 3: Cross multiply
   109,811.56x = 151,459.94 × 69,531.88
4. Step 4: Simplify right side
   109,811.56x = 10,531,294,372.89
5. Step 5: Solve for x
   x = 10,531,294,372.89/109,811.56
6. Step 6: Final answer
   x = 95,903.33