Finding the Fourth Proportional to 146,810.85, 202,595.52 and 86,385.42

Step by Step Solution

1. Step 1: Write the proportion equation
   146,810.85 : 202,595.52 = 86,385.42 : x
2. Step 2: Convert to fraction form
   146,810.85/202,595.52 = 86,385.42/x
3. Step 3: Cross multiply
   146,810.85x = 202,595.52 × 86,385.42
4. Step 4: Simplify right side
   146,810.85x = 17,501,299,085.32
5. Step 5: Solve for x
   x = 17,501,299,085.32/146,810.85
6. Step 6: Final answer
   x = 119,209.85