Finding the Fourth Proportional to 151,426.08, 208,977.25 and 83,443.06

Step by Step Solution

1. Step 1: Write the proportion equation
   151,426.08 : 208,977.25 = 83,443.06 : x
2. Step 2: Convert to fraction form
   151,426.08/208,977.25 = 83,443.06/x
3. Step 3: Cross multiply
   151,426.08x = 208,977.25 × 83,443.06
4. Step 4: Simplify right side
   151,426.08x = 17,437,701,210.39
5. Step 5: Solve for x
   x = 17,437,701,210.39/151,426.08
6. Step 6: Final answer
   x = 115,156.53