Finding the Fourth Proportional to 152,952.84, 211,075.92 and 84,969

Step by Step Solution

1. Step 1: Write the proportion equation
   152,952.84 : 211,075.92 = 84,969 : x
2. Step 2: Convert to fraction form
   152,952.84/211,075.92 = 84,969/x
3. Step 3: Cross multiply
   152,952.84x = 211,075.92 × 84,969
4. Step 4: Simplify right side
   152,952.84x = 17,934,909,846.48
5. Step 5: Solve for x
   x = 17,934,909,846.48/152,952.84
6. Step 6: Final answer
   x = 117,257.78