Finding the Fourth Proportional to 140,915.22, 211,441.10 and 62,019.20

Step by Step Solution

1. Step 1: Write the proportion equation
   140,915.22 : 211,441.10 = 62,019.20 : x
2. Step 2: Convert to fraction form
   140,915.22/211,441.10 = 62,019.20/x
3. Step 3: Cross multiply
   140,915.22x = 211,441.10 × 62,019.20
4. Step 4: Simplify right side
   140,915.22x = 13,113,406,501.82
5. Step 5: Solve for x
   x = 13,113,406,501.82/140,915.22
6. Step 6: Final answer
   x = 93,058.84