Finding the Fourth Proportional to 152,404.48, 210,342.28 and 91,983.76

Step by Step Solution

1. Step 1: Write the proportion equation
   152,404.48 : 210,342.28 = 91,983.76 : x
2. Step 2: Convert to fraction form
   152,404.48/210,342.28 = 91,983.76/x
3. Step 3: Cross multiply
   152,404.48x = 210,342.28 × 91,983.76
4. Step 4: Simplify right side
   152,404.48x = 19,348,073,801.37
5. Step 5: Solve for x
   x = 19,348,073,801.37/152,404.48
6. Step 6: Final answer
   x = 126,952.13