Finding the Fourth Proportional to 110,100.84, 151,931.95 and 64,770.05

Step by Step Solution

1. Step 1: Write the proportion equation
   110,100.84 : 151,931.95 = 64,770.05 : x
2. Step 2: Convert to fraction form
   110,100.84/151,931.95 = 64,770.05/x
3. Step 3: Cross multiply
   110,100.84x = 151,931.95 × 64,770.05
4. Step 4: Simplify right side
   110,100.84x = 9,840,639,998.10
5. Step 5: Solve for x
   x = 9,840,639,998.10/110,100.84
6. Step 6: Final answer
   x = 89,378.43