Finding the Fourth Proportional to 152,663.50, 210,675.72 and 84,678.22

Step by Step Solution

1. Step 1: Write the proportion equation
   152,663.50 : 210,675.72 = 84,678.22 : x
2. Step 2: Convert to fraction form
   152,663.50/210,675.72 = 84,678.22/x
3. Step 3: Cross multiply
   152,663.50x = 210,675.72 × 84,678.22
4. Step 4: Simplify right side
   152,663.50x = 17,839,644,966.82
5. Step 5: Solve for x
   x = 17,839,644,966.82/152,663.50
6. Step 6: Final answer
   x = 116,855.99