Finding the Fourth Proportional to 279,499.41, 385,709.00 and 152,174.99

Step by Step Solution

1. Step 1: Write the proportion equation
   279,499.41 : 385,709.00 = 152,174.99 : x
2. Step 2: Convert to fraction form
   279,499.41/385,709.00 = 152,174.99/x
3. Step 3: Cross multiply
   279,499.41x = 385,709.00 × 152,174.99
4. Step 4: Simplify right side
   279,499.41x = 58,695,263,421.31
5. Step 5: Solve for x
   x = 58,695,263,421.31/279,499.41
6. Step 6: Final answer
   x = 210,001.39