Finding the Fourth Proportional to 152,597.72, 210,587.39 and 84,617.56

Step by Step Solution

1. Step 1: Write the proportion equation
   152,597.72 : 210,587.39 = 84,617.56 : x
2. Step 2: Convert to fraction form
   152,597.72/210,587.39 = 84,617.56/x
3. Step 3: Cross multiply
   152,597.72x = 210,587.39 × 84,617.56
4. Step 4: Simplify right side
   152,597.72x = 17,819,390,159.01
5. Step 5: Solve for x
   x = 17,819,390,159.01/152,597.72
6. Step 6: Final answer
   x = 116,773.63