Finding the Fourth Proportional to 152,799.47, 210,852.71 and 84,811.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,799.47 : 210,852.71 = 84,811.10 : x
2. Step 2: Convert to fraction form
   152,799.47/210,852.71 = 84,811.10/x
3. Step 3: Cross multiply
   152,799.47x = 210,852.71 × 84,811.10
4. Step 4: Simplify right side
   152,799.47x = 17,882,648,794.76
5. Step 5: Solve for x
   x = 17,882,648,794.76/152,799.47
6. Step 6: Final answer
   x = 117,033.45