Finding the Fourth Proportional to 152,791.52, 210,851.54 and 84,809.30

Step by Step Solution

1. Step 1: Write the proportion equation
   152,791.52 : 210,851.54 = 84,809.30 : x
2. Step 2: Convert to fraction form
   152,791.52/210,851.54 = 84,809.30/x
3. Step 3: Cross multiply
   152,791.52x = 210,851.54 × 84,809.30
4. Step 4: Simplify right side
   152,791.52x = 17,882,171,511.32
5. Step 5: Solve for x
   x = 17,882,171,511.32/152,791.52
6. Step 6: Final answer
   x = 117,036.41