Finding the Fourth Proportional to 279,401.88, 385,574.22 and 152,077.08

Step by Step Solution

1. Step 1: Write the proportion equation
   279,401.88 : 385,574.22 = 152,077.08 : x
2. Step 2: Convert to fraction form
   279,401.88/385,574.22 = 152,077.08/x
3. Step 3: Cross multiply
   279,401.88x = 385,574.22 × 152,077.08
4. Step 4: Simplify right side
   279,401.88x = 58,637,001,500.88
5. Step 5: Solve for x
   x = 58,637,001,500.88/279,401.88
6. Step 6: Final answer
   x = 209,866.17