Finding the Fourth Proportional to 107,451.81, 148,245.62 and 61,477.88

Step by Step Solution

1. Step 1: Write the proportion equation
   107,451.81 : 148,245.62 = 61,477.88 : x
2. Step 2: Convert to fraction form
   107,451.81/148,245.62 = 61,477.88/x
3. Step 3: Cross multiply
   107,451.81x = 148,245.62 × 61,477.88
4. Step 4: Simplify right side
   107,451.81x = 9,113,825,388.27
5. Step 5: Solve for x
   x = 9,113,825,388.27/107,451.81
6. Step 6: Final answer
   x = 84,817.79