Finding the Fourth Proportional to 152,659.40, 210,662.52 and 84,670.35

Step by Step Solution

1. Step 1: Write the proportion equation
   152,659.40 : 210,662.52 = 84,670.35 : x
2. Step 2: Convert to fraction form
   152,659.40/210,662.52 = 84,670.35/x
3. Step 3: Cross multiply
   152,659.40x = 210,662.52 × 84,670.35
4. Step 4: Simplify right side
   152,659.40x = 17,836,869,300.28
5. Step 5: Solve for x
   x = 17,836,869,300.28/152,659.40
6. Step 6: Final answer
   x = 116,840.95