Finding the Fourth Proportional to 151,953.60, 209,695.05 and 83,973.15

Step by Step Solution

1. Step 1: Write the proportion equation
   151,953.60 : 209,695.05 = 83,973.15 : x
2. Step 2: Convert to fraction form
   151,953.60/209,695.05 = 83,973.15/x
3. Step 3: Cross multiply
   151,953.60x = 209,695.05 × 83,973.15
4. Step 4: Simplify right side
   151,953.60x = 17,608,753,887.91
5. Step 5: Solve for x
   x = 17,608,753,887.91/151,953.60
6. Step 6: Final answer
   x = 115,882.44