Finding the Fourth Proportional to 478,883.34, 718,394.72 and 141,880.31

Step by Step Solution

1. Step 1: Write the proportion equation
   478,883.34 : 718,394.72 = 141,880.31 : x
2. Step 2: Convert to fraction form
   478,883.34/718,394.72 = 141,880.31/x
3. Step 3: Cross multiply
   478,883.34x = 718,394.72 × 141,880.31
4. Step 4: Simplify right side
   478,883.34x = 101,926,064,766.65
5. Step 5: Solve for x
   x = 101,926,064,766.65/478,883.34
6. Step 6: Final answer
   x = 212,841.12