Finding the Fourth Proportional to 153,111.82, 229,714.44 and 78,284.52

Step by Step Solution

1. Step 1: Write the proportion equation
   153,111.82 : 229,714.44 = 78,284.52 : x
2. Step 2: Convert to fraction form
   153,111.82/229,714.44 = 78,284.52/x
3. Step 3: Cross multiply
   153,111.82x = 229,714.44 × 78,284.52
4. Step 4: Simplify right side
   153,111.82x = 17,983,084,672.47
5. Step 5: Solve for x
   x = 17,983,084,672.47/153,111.82
6. Step 6: Final answer
   x = 117,450.66