Finding the Fourth Proportional to 151,426.34, 208,969.75 and 83,445.74

Step by Step Solution

1. Step 1: Write the proportion equation
   151,426.34 : 208,969.75 = 83,445.74 : x
2. Step 2: Convert to fraction form
   151,426.34/208,969.75 = 83,445.74/x
3. Step 3: Cross multiply
   151,426.34x = 208,969.75 × 83,445.74
4. Step 4: Simplify right side
   151,426.34x = 17,437,636,131.99
5. Step 5: Solve for x
   x = 17,437,636,131.99/151,426.34
6. Step 6: Final answer
   x = 115,155.90