Finding the Fourth Proportional to 152,892.84, 210,984.96 and 84,914.20

Step by Step Solution

1. Step 1: Write the proportion equation
   152,892.84 : 210,984.96 = 84,914.20 : x
2. Step 2: Convert to fraction form
   152,892.84/210,984.96 = 84,914.20/x
3. Step 3: Cross multiply
   152,892.84x = 210,984.96 × 84,914.20
4. Step 4: Simplify right side
   152,892.84x = 17,915,619,090.43
5. Step 5: Solve for x
   x = 17,915,619,090.43/152,892.84
6. Step 6: Final answer
   x = 117,177.62