Finding the Fourth Proportional to 152,060.39, 209,839.61 and 84,075.57

Step by Step Solution

1. Step 1: Write the proportion equation
   152,060.39 : 209,839.61 = 84,075.57 : x
2. Step 2: Convert to fraction form
   152,060.39/209,839.61 = 84,075.57/x
3. Step 3: Cross multiply
   152,060.39x = 209,839.61 × 84,075.57
4. Step 4: Simplify right side
   152,060.39x = 17,642,385,029.52
5. Step 5: Solve for x
   x = 17,642,385,029.52/152,060.39
6. Step 6: Final answer
   x = 116,022.23