Finding the Fourth Proportional to 151,388.76, 208,925.82 and 84,320.76

Step by Step Solution

1. Step 1: Write the proportion equation
   151,388.76 : 208,925.82 = 84,320.76 : x
2. Step 2: Convert to fraction form
   151,388.76/208,925.82 = 84,320.76/x
3. Step 3: Cross multiply
   151,388.76x = 208,925.82 × 84,320.76
4. Step 4: Simplify right side
   151,388.76x = 17,616,783,926.02
5. Step 5: Solve for x
   x = 17,616,783,926.02/151,388.76
6. Step 6: Final answer
   x = 116,367.85