Finding the Fourth Proportional to 152,479.46, 210,404.59 and 84,479.46

Step by Step Solution

1. Step 1: Write the proportion equation
   152,479.46 : 210,404.59 = 84,479.46 : x
2. Step 2: Convert to fraction form
   152,479.46/210,404.59 = 84,479.46/x
3. Step 3: Cross multiply
   152,479.46x = 210,404.59 × 84,479.46
4. Step 4: Simplify right side
   152,479.46x = 17,774,865,144.51
5. Step 5: Solve for x
   x = 17,774,865,144.51/152,479.46
6. Step 6: Final answer
   x = 116,572.19