Finding the Fourth Proportional to 152,793.10, 210,848.91 and 84,813.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,793.10 : 210,848.91 = 84,813.10 : x
2. Step 2: Convert to fraction form
   152,793.10/210,848.91 = 84,813.10/x
3. Step 3: Cross multiply
   152,793.10x = 210,848.91 × 84,813.10
4. Step 4: Simplify right side
   152,793.10x = 17,882,749,688.72
5. Step 5: Solve for x
   x = 17,882,749,688.72/152,793.10
6. Step 6: Final answer
   x = 117,038.99