Finding the Fourth Proportional to 151,429.34, 208,973.89 and 83,448.74

Step by Step Solution

1. Step 1: Write the proportion equation
   151,429.34 : 208,973.89 = 83,448.74 : x
2. Step 2: Convert to fraction form
   151,429.34/208,973.89 = 83,448.74/x
3. Step 3: Cross multiply
   151,429.34x = 208,973.89 × 83,448.74
4. Step 4: Simplify right side
   151,429.34x = 17,438,607,813.40
5. Step 5: Solve for x
   x = 17,438,607,813.40/151,429.34
6. Step 6: Final answer
   x = 115,160.03