Finding the Fourth Proportional to 152,883.32, 210,981.76 and 83,972.32

Step by Step Solution

1. Step 1: Write the proportion equation
   152,883.32 : 210,981.76 = 83,972.32 : x
2. Step 2: Convert to fraction form
   152,883.32/210,981.76 = 83,972.32/x
3. Step 3: Cross multiply
   152,883.32x = 210,981.76 × 83,972.32
4. Step 4: Simplify right side
   152,883.32x = 17,716,627,864.88
5. Step 5: Solve for x
   x = 17,716,627,864.88/152,883.32
6. Step 6: Final answer
   x = 115,883.33