Finding the Fourth Proportional to 152,944.66, 211,097.39 and 84,985

Step by Step Solution

1. Step 1: Write the proportion equation
   152,944.66 : 211,097.39 = 84,985 : x
2. Step 2: Convert to fraction form
   152,944.66/211,097.39 = 84,985/x
3. Step 3: Cross multiply
   152,944.66x = 211,097.39 × 84,985
4. Step 4: Simplify right side
   152,944.66x = 17,940,111,689.15
5. Step 5: Solve for x
   x = 17,940,111,689.15/152,944.66
6. Step 6: Final answer
   x = 117,298.06