Finding the Fourth Proportional to 151,426.60, 208,977.85 and 83,443.46

Step by Step Solution

1. Step 1: Write the proportion equation
   151,426.60 : 208,977.85 = 83,443.46 : x
2. Step 2: Convert to fraction form
   151,426.60/208,977.85 = 83,443.46/x
3. Step 3: Cross multiply
   151,426.60x = 208,977.85 × 83,443.46
4. Step 4: Simplify right side
   151,426.60x = 17,437,833,926.78
5. Step 5: Solve for x
   x = 17,437,833,926.78/151,426.60
6. Step 6: Final answer
   x = 115,157.01