Finding the Fourth Proportional to 202,485, 279,429.30 and 113,061

Step by Step Solution

1. Step 1: Write the proportion equation
   202,485 : 279,429.30 = 113,061 : x
2. Step 2: Convert to fraction form
   202,485/279,429.30 = 113,061/x
3. Step 3: Cross multiply
   202,485x = 279,429.30 × 113,061
4. Step 4: Simplify right side
   202,485x = 31,592,556,087.30
5. Step 5: Solve for x
   x = 31,592,556,087.30/202,485
6. Step 6: Final answer
   x = 156,024.18