Finding the Fourth Proportional to 110,100.59, 151,931.61 and 64,769.81

Step by Step Solution

1. Step 1: Write the proportion equation
   110,100.59 : 151,931.61 = 64,769.81 : x
2. Step 2: Convert to fraction form
   110,100.59/151,931.61 = 64,769.81/x
3. Step 3: Cross multiply
   110,100.59x = 151,931.61 × 64,769.81
4. Step 4: Simplify right side
   110,100.59x = 9,840,580,753.04
5. Step 5: Solve for x
   x = 9,840,580,753.04/110,100.59
6. Step 6: Final answer
   x = 89,378.10