Finding the Fourth Proportional to 111,796.40, 154,279.89 and 64,052.98

Step by Step Solution

1. Step 1: Write the proportion equation
   111,796.40 : 154,279.89 = 64,052.98 : x
2. Step 2: Convert to fraction form
   111,796.40/154,279.89 = 64,052.98/x
3. Step 3: Cross multiply
   111,796.40x = 154,279.89 × 64,052.98
4. Step 4: Simplify right side
   111,796.40x = 9,882,086,322.87
5. Step 5: Solve for x
   x = 9,882,086,322.87/111,796.40
6. Step 6: Final answer
   x = 88,393.60