Finding the Fourth Proportional to 151,511.31, 209,084.76 and 83,528.01

Step by Step Solution

1. Step 1: Write the proportion equation
   151,511.31 : 209,084.76 = 83,528.01 : x
2. Step 2: Convert to fraction form
   151,511.31/209,084.76 = 83,528.01/x
3. Step 3: Cross multiply
   151,511.31x = 209,084.76 × 83,528.01
4. Step 4: Simplify right side
   151,511.31x = 17,464,433,924.13
5. Step 5: Solve for x
   x = 17,464,433,924.13/151,511.31
6. Step 6: Final answer
   x = 115,268.19