Finding the Fourth Proportional to 109,873.53, 151,582.59 and 71,677.98

Step by Step Solution

1. Step 1: Write the proportion equation
   109,873.53 : 151,582.59 = 71,677.98 : x
2. Step 2: Convert to fraction form
   109,873.53/151,582.59 = 71,677.98/x
3. Step 3: Cross multiply
   109,873.53x = 151,582.59 × 71,677.98
4. Step 4: Simplify right side
   109,873.53x = 10,865,133,854.37
5. Step 5: Solve for x
   x = 10,865,133,854.37/109,873.53
6. Step 6: Final answer
   x = 98,887.64