Finding the Fourth Proportional to 107,527.69, 148,396.01 and 64,509.05

Step by Step Solution

1. Step 1: Write the proportion equation
   107,527.69 : 148,396.01 = 64,509.05 : x
2. Step 2: Convert to fraction form
   107,527.69/148,396.01 = 64,509.05/x
3. Step 3: Cross multiply
   107,527.69x = 148,396.01 × 64,509.05
4. Step 4: Simplify right side
   107,527.69x = 9,572,885,628.89
5. Step 5: Solve for x
   x = 9,572,885,628.89/107,527.69
6. Step 6: Final answer
   x = 89,027.17