Finding the Fourth Proportional to 152,402.22, 210,314.79 and 84,419.16

Step by Step Solution

1. Step 1: Write the proportion equation
   152,402.22 : 210,314.79 = 84,419.16 : x
2. Step 2: Convert to fraction form
   152,402.22/210,314.79 = 84,419.16/x
3. Step 3: Cross multiply
   152,402.22x = 210,314.79 × 84,419.16
4. Step 4: Simplify right side
   152,402.22x = 17,754,597,907.38
5. Step 5: Solve for x
   x = 17,754,597,907.38/152,402.22
6. Step 6: Final answer
   x = 116,498.29