Finding the Fourth Proportional to 152,633, 210,633.54 and 85,565

Step by Step Solution

1. Step 1: Write the proportion equation
   152,633 : 210,633.54 = 85,565 : x
2. Step 2: Convert to fraction form
   152,633/210,633.54 = 85,565/x
3. Step 3: Cross multiply
   152,633x = 210,633.54 × 85,565
4. Step 4: Simplify right side
   152,633x = 18,022,858,850.10
5. Step 5: Solve for x
   x = 18,022,858,850.10/152,633
6. Step 6: Final answer
   x = 118,079.70