Finding the Fourth Proportional to 143,068.68, 214,641.90 and 49,581.72

Step by Step Solution

1. Step 1: Write the proportion equation
   143,068.68 : 214,641.90 = 49,581.72 : x
2. Step 2: Convert to fraction form
   143,068.68/214,641.90 = 49,581.72/x
3. Step 3: Cross multiply
   143,068.68x = 214,641.90 × 49,581.72
4. Step 4: Simplify right side
   143,068.68x = 10,642,314,586.07
5. Step 5: Solve for x
   x = 10,642,314,586.07/143,068.68
6. Step 6: Final answer
   x = 74,386.05