Finding the Fourth Proportional to 152,635.28, 210,622.56 and 84,651

Step by Step Solution

1. Step 1: Write the proportion equation
   152,635.28 : 210,622.56 = 84,651 : x
2. Step 2: Convert to fraction form
   152,635.28/210,622.56 = 84,651/x
3. Step 3: Cross multiply
   152,635.28x = 210,622.56 × 84,651
4. Step 4: Simplify right side
   152,635.28x = 17,829,410,326.56
5. Step 5: Solve for x
   x = 17,829,410,326.56/152,635.28
6. Step 6: Final answer
   x = 116,810.55