Finding the Fourth Proportional to 112,427.34, 155,159.55 and 62,136.06

Step by Step Solution

1. Step 1: Write the proportion equation
   112,427.34 : 155,159.55 = 62,136.06 : x
2. Step 2: Convert to fraction form
   112,427.34/155,159.55 = 62,136.06/x
3. Step 3: Cross multiply
   112,427.34x = 155,159.55 × 62,136.06
4. Step 4: Simplify right side
   112,427.34x = 9,641,003,108.37
5. Step 5: Solve for x
   x = 9,641,003,108.37/112,427.34
6. Step 6: Final answer
   x = 85,753.19