Finding the Fourth Proportional to 152,832.05, 210,904.12 and 91,612.82

Step by Step Solution

1. Step 1: Write the proportion equation
   152,832.05 : 210,904.12 = 91,612.82 : x
2. Step 2: Convert to fraction form
   152,832.05/210,904.12 = 91,612.82/x
3. Step 3: Cross multiply
   152,832.05x = 210,904.12 × 91,612.82
4. Step 4: Simplify right side
   152,832.05x = 19,321,521,182.82
5. Step 5: Solve for x
   x = 19,321,521,182.82/152,832.05
6. Step 6: Final answer
   x = 126,423.23