Finding the Fourth Proportional to 496,410.10, 744,492.12 and 141,427.18

Step by Step Solution

1. Step 1: Write the proportion equation
   496,410.10 : 744,492.12 = 141,427.18 : x
2. Step 2: Convert to fraction form
   496,410.10/744,492.12 = 141,427.18/x
3. Step 3: Cross multiply
   496,410.10x = 744,492.12 × 141,427.18
4. Step 4: Simplify right side
   496,410.10x = 105,291,421,063.82
5. Step 5: Solve for x
   x = 105,291,421,063.82/496,410.10
6. Step 6: Final answer
   x = 212,105.72