Finding the Fourth Proportional to 49,459.55, 74,159.42 and 19,437.86

Step by Step Solution

1. Step 1: Write the proportion equation
   49,459.55 : 74,159.42 = 19,437.86 : x
2. Step 2: Convert to fraction form
   49,459.55/74,159.42 = 19,437.86/x
3. Step 3: Cross multiply
   49,459.55x = 74,159.42 × 19,437.86
4. Step 4: Simplify right side
   49,459.55x = 1,441,499,955.65
5. Step 5: Solve for x
   x = 1,441,499,955.65/49,459.55
6. Step 6: Final answer
   x = 29,145.03