Finding the Fourth Proportional to 152,953.78, 211,017.33 and 112,763.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,953.78 : 211,017.33 = 112,763.10 : x
2. Step 2: Convert to fraction form
   152,953.78/211,017.33 = 112,763.10/x
3. Step 3: Cross multiply
   152,953.78x = 211,017.33 × 112,763.10
4. Step 4: Simplify right side
   152,953.78x = 23,794,966,665.62
5. Step 5: Solve for x
   x = 23,794,966,665.62/152,953.78
6. Step 6: Final answer
   x = 155,569.66