Finding the Fourth Proportional to 151,492.53, 209,050.30 and 83,505.99

Step by Step Solution

1. Step 1: Write the proportion equation
   151,492.53 : 209,050.30 = 83,505.99 : x
2. Step 2: Convert to fraction form
   151,492.53/209,050.30 = 83,505.99/x
3. Step 3: Cross multiply
   151,492.53x = 209,050.30 × 83,505.99
4. Step 4: Simplify right side
   151,492.53x = 17,456,952,261.30
5. Step 5: Solve for x
   x = 17,456,952,261.30/151,492.53
6. Step 6: Final answer
   x = 115,233.09