Finding the Fourth Proportional to 152,468.57, 210,411.24 and 84,479.18

Step by Step Solution

1. Step 1: Write the proportion equation
   152,468.57 : 210,411.24 = 84,479.18 : x
2. Step 2: Convert to fraction form
   152,468.57/210,411.24 = 84,479.18/x
3. Step 3: Cross multiply
   152,468.57x = 210,411.24 × 84,479.18
4. Step 4: Simplify right side
   152,468.57x = 17,775,369,017.98
5. Step 5: Solve for x
   x = 17,775,369,017.98/152,468.57
6. Step 6: Final answer
   x = 116,583.82