Finding the Fourth Proportional to 152,064.07, 209,839.40 and 84,075.71

Step by Step Solution

1. Step 1: Write the proportion equation
   152,064.07 : 209,839.40 = 84,075.71 : x
2. Step 2: Convert to fraction form
   152,064.07/209,839.40 = 84,075.71/x
3. Step 3: Cross multiply
   152,064.07x = 209,839.40 × 84,075.71
4. Step 4: Simplify right side
   152,064.07x = 17,642,395,071.40
5. Step 5: Solve for x
   x = 17,642,395,071.40/152,064.07
6. Step 6: Final answer
   x = 116,019.49