Finding the Fourth Proportional to 107,460.50, 148,298.46 and 64,994.36

Step by Step Solution

1. Step 1: Write the proportion equation
   107,460.50 : 148,298.46 = 64,994.36 : x
2. Step 2: Convert to fraction form
   107,460.50/148,298.46 = 64,994.36/x
3. Step 3: Cross multiply
   107,460.50x = 148,298.46 × 64,994.36
4. Step 4: Simplify right side
   107,460.50x = 9,638,563,496.69
5. Step 5: Solve for x
   x = 9,638,563,496.69/107,460.50
6. Step 6: Final answer
   x = 89,694.01