Finding the Fourth Proportional to 151,038.88, 208,444.56 and 83,980.96

Step by Step Solution

1. Step 1: Write the proportion equation
   151,038.88 : 208,444.56 = 83,980.96 : x
2. Step 2: Convert to fraction form
   151,038.88/208,444.56 = 83,980.96/x
3. Step 3: Cross multiply
   151,038.88x = 208,444.56 × 83,980.96
4. Step 4: Simplify right side
   151,038.88x = 17,505,374,255.58
5. Step 5: Solve for x
   x = 17,505,374,255.58/151,038.88
6. Step 6: Final answer
   x = 115,899.79