Finding the Fourth Proportional to 152,429, 210,330.97 and 84,429.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,429 : 210,330.97 = 84,429.10 : x
2. Step 2: Convert to fraction form
   152,429/210,330.97 = 84,429.10/x
3. Step 3: Cross multiply
   152,429x = 210,330.97 × 84,429.10
4. Step 4: Simplify right side
   152,429x = 17,758,054,499.23
5. Step 5: Solve for x
   x = 17,758,054,499.23/152,429
6. Step 6: Final answer
   x = 116,500.50