Finding the Fourth Proportional to 110,289.63, 152,158.46 and 64,939.89

Step by Step Solution

1. Step 1: Write the proportion equation
   110,289.63 : 152,158.46 = 64,939.89 : x
2. Step 2: Convert to fraction form
   110,289.63/152,158.46 = 64,939.89/x
3. Step 3: Cross multiply
   110,289.63x = 152,158.46 × 64,939.89
4. Step 4: Simplify right side
   110,289.63x = 9,881,153,330.27
5. Step 5: Solve for x
   x = 9,881,153,330.27/110,289.63
6. Step 6: Final answer
   x = 89,592.77