Finding the Fourth Proportional to 152,100.36, 209,899.89 and 84,113.82

Step by Step Solution

1. Step 1: Write the proportion equation
   152,100.36 : 209,899.89 = 84,113.82 : x
2. Step 2: Convert to fraction form
   152,100.36/209,899.89 = 84,113.82/x
3. Step 3: Cross multiply
   152,100.36x = 209,899.89 × 84,113.82
4. Step 4: Simplify right side
   152,100.36x = 17,655,481,565.48
5. Step 5: Solve for x
   x = 17,655,481,565.48/152,100.36
6. Step 6: Final answer
   x = 116,077.84