Finding the Fourth Proportional to 279,084.15, 385,131.73 and 151,758.63

Step by Step Solution

1. Step 1: Write the proportion equation
   279,084.15 : 385,131.73 = 151,758.63 : x
2. Step 2: Convert to fraction form
   279,084.15/385,131.73 = 151,758.63/x
3. Step 3: Cross multiply
   279,084.15x = 385,131.73 × 151,758.63
4. Step 4: Simplify right side
   279,084.15x = 58,447,063,714.33
5. Step 5: Solve for x
   x = 58,447,063,714.33/279,084.15
6. Step 6: Final answer
   x = 209,424.52