Finding the Fourth Proportional to 152,803.48, 210,858.81 and 84,817.15

Step by Step Solution

1. Step 1: Write the proportion equation
   152,803.48 : 210,858.81 = 84,817.15 : x
2. Step 2: Convert to fraction form
   152,803.48/210,858.81 = 84,817.15/x
3. Step 3: Cross multiply
   152,803.48x = 210,858.81 × 84,817.15
4. Step 4: Simplify right side
   152,803.48x = 17,884,443,316.59
5. Step 5: Solve for x
   x = 17,884,443,316.59/152,803.48
6. Step 6: Final answer
   x = 117,042.12