Finding the Fourth Proportional to 106,314.27, 159,471.63 and 99,818.88

Step by Step Solution

1. Step 1: Write the proportion equation
   106,314.27 : 159,471.63 = 99,818.88 : x
2. Step 2: Convert to fraction form
   106,314.27/159,471.63 = 99,818.88/x
3. Step 3: Cross multiply
   106,314.27x = 159,471.63 × 99,818.88
4. Step 4: Simplify right side
   106,314.27x = 15,918,279,498.37
5. Step 5: Solve for x
   x = 15,918,279,498.37/106,314.27
6. Step 6: Final answer
   x = 149,728.53