Finding the Fourth Proportional to 107,247.77, 148,005.88 and 64,798.10

Step by Step Solution

1. Step 1: Write the proportion equation
   107,247.77 : 148,005.88 = 64,798.10 : x
2. Step 2: Convert to fraction form
   107,247.77/148,005.88 = 64,798.10/x
3. Step 3: Cross multiply
   107,247.77x = 148,005.88 × 64,798.10
4. Step 4: Simplify right side
   107,247.77x = 9,590,499,118.82
5. Step 5: Solve for x
   x = 9,590,499,118.82/107,247.77
6. Step 6: Final answer
   x = 89,423.76